windows installer service could not be accessed
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2009년 12월 4일 금요일 오전 1:33
I have installed (and removed and re-installed) Adobe CS3 Design Premium on a 64-bit operating system running Windows 7 Professional. The Windows 7 compatibility center says this program should run. During installation in wants a .dll file from a Vista CD. If I continue the installation without it, most features function but Adobe Acrobat 8 does not.
I have tried just installing Adobe Acrobat 8 (which is my highest priority right this minute!) but I receive the error message: "Windows installer service could not be accessed..." Windows installer service is active and I have changed it to automatic vs. the default manual. Still no go.
Desperate for ideas and solutions. I see solutions on the Vista help forum that require editing the registry. Looking forward to a solution for Windows 7 (the ironic thing of this is I loved Vista--never a problem from start to finish. I only changed to Windows 7 because my laptop conked out and I had to buy a new one and I thought this was the smart choice)
Signed,
Missing Vista
모든 응답
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2009년 12월 4일 금요일 오전 8:54중재자
Hi kathleenmarth,
Can other program which requires Windows installer be installed properly? If the issue only occurs while installing Adobe software, it is recommended contacting Adobe directly to check this issue.
If other programs cannot be installed either, please try the following suggestions to check the Windows Installer.
First, please see if the program can be installed in Clean Boot. If the issue disappears in the Clean Boot environment, we can use a 50/50 approach to quickly narrow down which entry is causing the issue.
If the issue persists, please continue:
1. Quit all Windows programs.
2. Click Start, type Run in the Search box and then press Enter, type msiexec /unregister in the Open box, and then click OK.
3. Click Start, type Run in the Search box and then press Enter, type msiexec /regserver in the Open box, and then click OK.
4. Restart your computer.
If the issue still exists, please perform System File Checker by the steps below:
1. Insert the Windows 7 installation DVD into the DVD-ROM; Click Exit if the auto-menu pops up.
2. Open an elevated command prompt. To do this, click Start, click All Programs, click Accessories, right-click Command Prompt, and then click Run as administrator.
If you are prompted for an administrator password or for a confirmation, type the password, or click Allow.
3. At the command prompt, type the following command, and then press ENTER:
sfc /scannow
For more information, please refer to this knowledge base (KB) article: How to use the System File Checker tool to troubleshoot missing or corrupted system files on Windows Vista or on Windows 7
Hope this helps.
Regards,
Linda
- 답변으로 표시됨 Linda YanModerator 2009년 12월 10일 목요일 오전 2:31
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2009년 12월 11일 금요일 오후 7:17
Hi,
I'm having exactly the same problem. re-registering msiexec had no affect. The sfc program responded "Windows Resource Protection did not find any integrity violations". I am seeing problems with iTunes and also a VPN client that I am trying to install (from SonicWall). Like the origingal poster, I am running Windows 7 Ultimate (64-bit).
The installer service is showing as running, and everything appears to be in order except for these programs that don't want to install/uninstall.
Thanks.
Kurt- 답변으로 제안됨 americanhoney1970 2010년 12월 6일 월요일 오전 10:59
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2009년 12월 21일 월요일 오전 2:19Hi,I too am having a very similar problem. I tried the re-registering msiexec, no affect, I ran the "sfc /scannow" and that reported: "Windows Resource Protection did not find any integrity violations" The programs that I am having problems with are iTunes, their suite of programs, and MacDrive 8. I can't install either of the programs. additionally, like the other poster's in this forum I am running Windows 7 Ultimate (64-bit).Thanks,Chris
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2009년 12월 27일 일요일 오전 2:34
Hi,
I also am having the same problem with installing itunes would appreciate a good solid fix that works. I also have not got any of the fixes mentioned above to work.
When I tried the msiexec /unregister it says that it cannot find it
Waiting for fix
Stan -
2010년 1월 5일 화요일 오전 2:01
Sigh.... me too. Error occurred when trying to install updates to Adobe Acrobat v8. Same errors as above (which led me to this site). Same operating system (Windows 7). Also tried same fixes regedit and unregister/register recommended above and also had to luck. I'm stuck without a print to file printer.
Also waiting for fix
Susan- 답변으로 제안됨 AppTricks 2010년 1월 20일 수요일 오전 9:00
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2010년 1월 20일 수요일 오전 9:01
I just figured out a fix for my problem. I guess my msiserver.reg file. The directory of the file/folder in the registry that got messed up some how was under the location HKEY_lOCAL_MACHINE/SYSTEM/CurrentControlSet/services/msiserver, for some reason I had a file that looked something like: MSiServer or some thing with weird capitalization. I checked with 2 other windows 7 64 bit computers, one pro and another ult, like mine, and their's were both lower case. there was also no WOW64 file or a sub directory which mine had (bad). as a microsoft support person I would recommend exporting both 32 and 64 bit copies of this file in the directory to the internet somewhere so that people can download it and see if they have the same problem and are not as lucky as I am to have multiple computers in that I can access.steps that I did to fix my computer:1. navigate (on a good computer) to the already stated directory.2. export the reg file onto a usb drive3. go into the bad computer w/ corrupted file and delete the file from the registry4. file import (in regedit) the working file onto the broken computerhope this helps more than just myself!chrisps, sorry for proposing sbclark's reply as an answer, my bad- 답변으로 제안됨 AppTricks 2010년 1월 20일 수요일 오전 9:01
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2010년 2월 18일 목요일 오후 6:49Thanks Chris
I purchased two computers in January. Both computers are running Windows 7 Home Premium. The 32 bit MSI Laptop runs the Windows installer without incident. The 64 bit HP Desktop has given me problems installing software on occasion. Just today I could not install the 64 bit PrinterShare software that will allow me to print from my iPhone. Since this software was just released and is a 64 bit program, I figured something was up. I performed a Web Search and came across your article above.
I noted the same thing you described. My Desktop had the Key file MSIServer but the Laptop had the Key file msiserver. A closer look at the key files revealed many differences including the lack of the file you mention WOW64 on the Desktop.
NOTE: I took a gamble doing this as the two computers are different (32 bit VS 64 bit)
Here is what I did:
Ran Regedit on the HP Desktop
Navigated to HKEY_lOCAL_MACHINE/SYSTEM/CurrentControlSet/services/MSIServer) on the HP Desktop
Saved the KEY MSIServer file to another safe location on the HP - (I used My Docs)
Ran Regedit on the MSI Laptop
Navigated to HKEY_lOCAL_MACHINE/SYSTEM/CurrentControlSet/services/msiserver on the MSI Laptop
Exported the Key msiserver file directly into a shared directory on the Desktop (since the two computers are networked) (your method is just fine also)
I navigated back into the registry on the HP Desktop and deleted the KEY MSIServer file
NOTE: (Verify you are still in the HKEY_lOCAL_MACHINE/SYSTEM/CurrentControlSet/services/MSIServer before you delete)
Imported the KEY msiserver file from (My Docs)
Closed Regedit on both computers
I again tried installing the PrinterShare software and it worked just fine.
Next I tried to install another program that would not work before (PrimeTimes10) and it also installed just fine.
I was worried that the 32 bit KEY File not work on the 64 bit machine but everything seems to be fine.
Thanks Again - Jim -
2010년 5월 29일 토요일 오전 11:58
My greatest thanks to both Apptricks and Gembo3 for posting your solution. I too had the same problem when trying to install a 3d Connexion SpacePilot Pro, and now thanks to your posting I followed your lead and did as you did, except that I took my MSIServer registry key from my HP 32 bit laptop running XP and imported into my Acer Aspire 64 bit 7738G running on Win 7. Now all is working ok and I can fully utilise the functions of the 3d connexions SpacePilot Pro. Thanks again to all!
V-Max1200
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2010년 6월 16일 수요일 오전 3:23Thanks again to Apptricks and Gembo3! I just got done re-installing Windows from the ground up when, out of nowhere, I ran into the same problem. The (un)registering, etc., didn't work for me, either, but deleting and replacing the registry entry worked like a charm. Thanks for the help. :D
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2010년 7월 3일 토요일 오전 11:14
Hi all,
I've gotthe same problem with my 64 bit Windows 7 machine, mine occurred whilst trying to update iTunes and now I'm stuck with a half removed version of iTunes I can't use or uninstall, and I'm unable to install anythign else requiring windows installer. After trying the knowledge base recommendations I tried the steps above taking the registry key from my XP machine, but no luck. Does anyone else have any ideas, or does anyone know if there is a published working 64 bit key available anywhere?
Thanks
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2010년 7월 27일 화요일 오후 9:56
I had the same error in with the i-tunes installation and i did this and it worked.... This works for any i tunes that fails to install itself on 64 Bit
You have to go into your registry.
Start, run, type in “regedit”.
Next go to HKEY_LOCAL_MACHINE.
SYSTEM
CurrentControlSet
Services
MSIServer
To the right you’ll see WOW64. Double click on it, or right click on it and click on modify. Change the setting from 1 to 0.
Next, go to the start menu again and type in the search box: “services.msc”.
Look for and find the Windows Installer service.
Double click on it and tell it to stop. Next, tell it to start.
You should now be able to install your programs.- 답변으로 제안됨 TorroNegro 2010년 11월 10일 수요일 오후 4:12
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2010년 10월 11일 월요일 오후 12:38
I had the same error in with the i-tunes installation and i did this and it worked.... This works for any i tunes that fails to install itself on 64 Bit
You have to go into your registry.
Start, run, type in “regedit”.
Next go to HKEY_LOCAL_MACHINE.
SYSTEM
CurrentControlSet
Services
MSIServer
To the right you’ll see WOW64. Double click on it, or right click on it and click on modify. Change the setting from 1 to 0.
Next, go to the start menu again and type in the search box: “services.msc”.
Look for and find the Windows Installer service.
Double click on it and tell it to stop. Next, tell it to start.
You should now be able to install your programs.Thanks for this - I am having trouble with NVidia drivers and couldn't uninstall PhysX to do a clean driver install.
All I needed to do was to enable and then start the service (services.msc) and I could then uninstall.
- 답변으로 제안됨 Mario Groleau 2010년 11월 11일 목요일 오후 6:29
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2010년 11월 8일 월요일 오후 2:59
I had the same error in with the i-tunes installation and i did this and it worked.... This works for any i tunes that fails to install itself on 64 Bit
You have to go into your registry.
Start, run, type in “regedit”.
Next go to HKEY_LOCAL_MACHINE.
SYSTEM
CurrentControlSet
Services
MSIServer
To the right you’ll see WOW64. Double click on it, or right click on it and click on modify. Change the setting from 1 to 0.
Next, go to the start menu again and type in the search box: “services.msc”.
Look for and find the Windows Installer service.
Double click on it and tell it to stop. Next, tell it to start.
You should now be able to install your programs.
Your a champion!I search an answer since one month now!
Thank you, Thank you, Thank you, Thank you, Thank you,very very very Much!
Mario Groleau Software engineer University du Québec à Trois-Rivières -
2010년 11월 10일 수요일 오후 4:11You are the BOMB DOT COM! Thank you for this!
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2010년 11월 12일 금요일 오전 12:29
Try this. Go to Control Panel ; Administrative tools ; Services ; and check if Windows Installer Startup type is automatic and status is started. I had a similar problem with some applications but not others and it was because my startup type was set to manual. Apparently some applications correctly access the windows installer and start it if needed whereas others can only use it if it is already started. IE Adobe uninstall crashed and IBM System update uninstall crashed but windows update successfully installed latest patches and updates. >>> Sucromatic- 답변으로 제안됨 SUCROMATIC 2010년 11월 12일 금요일 오전 12:31
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2010년 11월 25일 목요일 오전 1:29THANK YOU SO MUCH! Changing WOW64 from 1 to 0 fixed my Win7 X64 machine
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2010년 11월 27일 토요일 오후 8:50kalidasan good
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2011년 1월 4일 화요일 오후 3:09
This fixed my Windows 7 Home Ultimate machine also. I have been trying to install Office 2007 and Zune software for about 6 months now and could not until I found this solution. I also could not install Net Framwork 4.0 until I did this.
Thank you Kalidasan!
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2011년 2월 1일 화요일 오전 1:24
I had the same error in with the i-tunes installation and i did this and it worked.... This works for any i tunes that fails to install itself on 64 Bit
You have to go into your registry.
Start, run, type in “regedit”.
Next go to HKEY_LOCAL_MACHINE.
SYSTEM
CurrentControlSet
Services
MSIServer
To the right you’ll see WOW64. Double click on it, or right click on it and click on modify. Change the setting from 1 to 0.
Next, go to the start menu again and type in the search box: “services.msc”.
Look for and find the Windows Installer service.
Double click on it and tell it to stop. Next, tell it to start.
You should now be able to install your programs.
i love you man -
2011년 2월 16일 수요일 오후 10:27i had this same problem while trying to download itunes. i have windows 7 (64) and spent hours trying to figure out how to download itunes after continuous error message "windows installer cannot be accessed". this solution fixed my problem!!! after doing what you said, i could instantly download itunes! thank you! thank you! thank you! thank you!
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2011년 3월 3일 목요일 오전 3:19what if you dont see wow64??????????????????
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2011년 3월 6일 일요일 오후 9:15
I have the same thing. I am trying to install a program update that uses Windows Installer and I get the error message. I don't have a WOW64 file in the MSIServer folder in the registry. All this happened after I installed Windows 7 SP1.
Any help is appreciated.
Thanks
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2011년 3월 7일 월요일 오전 12:44
same problem started right after I installed Windows 7 (32-bit) Service Pack 1. Tried to update iTunes and got error message.
No WOW64 line in regedit.
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2011년 3월 7일 월요일 오후 3:53THANK YOU!!! This worked, first time, 45 seconds to implement. I have spent HOURS trying to sort this out -- you rock!
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2011년 3월 20일 일요일 오전 8:30
what if you dont see wow64??????????????????
Yeah, I can't see it O_O I really need help
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2011년 3월 20일 일요일 오전 8:33
same problem started right after I installed Windows 7 (32-bit) Service Pack 1. Tried to update iTunes and got error message.
No WOW64 line in regedit.
Same with me, I installed 64-bit though.
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2011년 3월 29일 화요일 오전 2:19
Having the same problem, no WOW64 however I am on a 32 bit Win 7 machine.
Cant update or install anything.
dg
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2011년 4월 11일 월요일 오후 6:15
Try this. Go to Control Panel ; Administrative tools ; Services ; and check if Windows Installer Startup type is automatic and status is started. I had a similar problem with some applications but not others and it was because my startup type was set to manual. Apparently some applications correctly access the windows installer and start it if needed whereas others can only use it if it is already started. IE Adobe uninstall crashed and IBM System update uninstall crashed but windows update successfully installed latest patches and updates. >>> Sucromatic
THANK YOU Sir!
I checked this and sure enough, it was set to "Manual Start" -- and was stopped!!!
You, Sir, Rock.
You must play a Gibson guitar.
Many thanks!
David Small
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2011년 4월 24일 일요일 오후 7:54
My regedit trail leads to an all lower case "msiserver" which does not have a WOW64 associated with it as to many of the subsequent posts. Any other direction to find this? Can't update I-tunes in a Windows7 Home premium machine. I have no other machines to use for reinstalling settings.
Your answer seems wonderful for a lot of frustrated users. I'm still hoping for magic..........grp
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2011년 5월 5일 목요일 오전 9:46
My regedit trail leads to an all lower case "msiserver" which does not have a WOW64 associated with it as to many of the subsequent posts. Any other direction to find this? Can't update I-tunes in a Windows7 Home premium machine. I have no other machines to use for reinstalling settings.
Your answer seems wonderful for a lot of frustrated users. I'm still hoping for magic..........grp
Same here, help appreciated please!!
Tried all of the solutions above, but no WOW64 file and msiserver is LC not UC. Services was set to manual and have changed to auto and restarted but still no dice.
Any solutions people?
Cheers..
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2011년 5월 7일 토요일 오후 4:24
Just like ClareGa, I did everything:
- -Msiexec Unreg/Reg - note: when I do so, no message at all ; how can I know what happens? If I just type msiexec, I have a pop-up window even after the /unreg.
- Sfc scannow - note: why do I have to insert the Widows DVD? ; it seems to be not used.
- Registry check, etc.
even trying to scan my drives with an anti-virus and everything is clean ;
All but the Adobe Lightroom installer is just fine.
The problem is I have no log, no trace, no nothing to give me a hint ; just that stupid error message ! :-( And Adobe is not really helping either...
So please please please, a new idea.
- 편집됨 Longimanus Gris 2011년 5월 8일 일요일 오전 7:48
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2011년 5월 8일 일요일 오전 5:10
I'm getting the same as people above... No WOW64 file...
Getting beyond a joke because MS dont seem to have a solution to there own OS's errors.
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2011년 5월 10일 화요일 오후 3:45
I'm getting the same problem not only with one program to install! but also with any program I wanted to install these days: AVG,Microsoft Office, C++ builder, avast!!!! Even I had problem to update my windows 7 important updates!!!!
and non of your solution was useful. It seems that MICROSOFT does not have ANY SOLUTION FOR ITS FAULTS!!!! ALL OF YOU!!!
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2011년 5월 19일 목요일 오후 6:41
ArI'm getting the same as people above... No WOW64 file...
Getting beyond a joke because MS dont seem to have a solution to there own OS's errors.
Agree,.. supposedly fixcleaner can fix it OR TRY make name WOW64 type reg_dwordv data 0000 01 00 00 00
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2011년 6월 4일 토요일 오전 6:32I'm also getting this error today. :( Windows 7 32-bit. What none of the solution works. :(
Bryan Chung's Blog http://www.bryanchung.sg -
2011년 6월 9일 목요일 오전 12:40
Thank you!!. I got back on track with my widows installer.
Blessings
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2011년 6월 11일 토요일 오전 4:18i have only one question towards the registry part, when i get to control set i have two, one says ControlSet001 the other ControlSet002, do i change both or just one?
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2011년 6월 13일 월요일 오전 8:07I've been tracking this page for the last couple of months hoping for a solution to this issue. I've tried changing the registry setting but I'm another with no WOW64 to change. My PC is becoming more and more unusable now that it's impossible to install almost anything!! Come on Microsoft, this is a really serious issue and you're not stepping up to the plate !!
Richard Lloyd -
2011년 6월 14일 화요일 오전 6:51
I installed the following hotfix, which looked very promising, but it has not solved the problem.
http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=20858
System Update Readiness Tool for Windows 7 for x64-based Systems (KB947821) [May 2011]
This tool is being offered because an inconsistency was found in the Windows servicing store which may prevent the successful installation of future updates, service packs, and software
Richard Lloyd -
2011년 6월 14일 화요일 오후 10:20
Tried this "hotfix" (x86 version) as well, as well as everything else the copy and paste Windows Staff, and the helpful users have recommended (I have no WOW64 either).
Any further help is greatly appreciated!
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2011년 6월 26일 일요일 오전 8:45
Tried to install fixcleaner but wasn't able to because I got the dreaded message
"windows installer service could not be accessed" !
Richard Lloyd -
2011년 7월 16일 토요일 오후 9:19
For me, what worked was a combination of importing the KEY msiserver file from my win7 (32bit) to the troubled win7 64bit, then changing the value of the WOW64 to 0.
Thanks a lot!
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2011년 7월 21일 목요일 오후 3:24
The solutions posted here did not help in our situation, however when trying to get into Safe Mode on the Windows 7 64-bit computer we were promted with a repair utility. Upon executing that repair utility, and opting not to restore to previous point the problem is gone. This utility ran for about an hour.
You can simply get to this utility on Windows 7 by forcing the computer to shut down while booting Windows. On the next reboot of the computer, you should be promted with this utility or to start Windows normally.
Kenneth Bucci, MCP -
2011년 7월 26일 화요일 오후 5:38
I have tried what this post says and a number of other things that I googled to solve the problem of "windows istaller could not be accessed." The only thing I found that worked for my Windows 7 Ultimate 64 bit computer was to do some work on the registry. It seems to me that somebody on the internet is having fun with corrupting the file msiserver in the registry. I don't know how else this file could get corrupted. So, please follow these steps carefully. It's an easy problem to fix if your problem was like mine, but it drove me crazy to find and answer. I found that I couldn't install programs, nor deleted programs from the control panel as the adminstrator. Here are the steps I learned from another on the internet and I'm wanting to share with others. Here are the correct steps:
1. Download the "msiserver" file to your desktop
2. Open regedit and export "all" files for your backup to documents or some place where you can make a backup of the entire registry.
3. Also, go to systems, device manager and create a restore point. These two backup steps will help you reset registry if things go wrong.
4. Return to regedit and under "find" locate theHKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msiserver registry key. Completely delete the fold "msiserver" from the registry.
5. Do not restart, but go to the choice of "import" within regedit and locate the file you downloaded "msiserver" for your operating sytem whether it be Windows 7, XP, or whatever. Import that file into the registry.
6. Restart you computer and see if you have recieved back the right as the adminstrator.
Hopefully, this is the information that you've been looking for all along, and not all these other dead end searches that do absolutely nothing to get to the root of the problem, which is a corrupted file in he registry that not even the file checker for windows can pick up and fix.
Enjoy Working on Computers -
2011년 7월 31일 일요일 오전 4:39
Kalidasan... you sir are AWESOME! I have been fighting with my latest install of Win 7 Pro 64 for over a month. I have been through countless installs/wipes/re-installs trying to figure out what the problem was with programs suddenly not installing and getting the dreaded "installer not available error". I have tried various solutions and none worked. i happened to stumble across this forum, and your solution WORKED PERFECTLY! In less than 2 minutes I had fixed the problem by doing exactly what you said to do. All of my updates are working again, and life is good.
Thank you so much for sharing, and immedately go apply to Microsoft... they can obviously use the help!
YOU ROCK!
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2011년 9월 15일 목요일 오후 8:20
I had this problem after iTunes and Quicktime were corrupted after an update.
I eventually came across this Microsoft Support tool "Fixit" http://support.microsoft.com/mats/Program_Install_and_Uninstall
It worked perfectly for me.
Hope this helps, Daryl.
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2011년 10월 1일 토요일 오후 2:55
Hello i directed into there and found there was no WOW64 however the MSIServer folder i was in was called msiserver does that make any difference? Please help as i have been trying to fix this for months on end and havoc is an understatement
I have tried http://support.microsoft.com/mats/Program_Install_and_Uninstall and basically what happened was my computer was on for hours and i clicked the cross i cannot find itunes or quicktime in add or remove programmes , but they still work and launch fine and HAVE NOT been removed
How can i fix this for once and forall i have tried everything on here aswell!
- 편집됨 Anthony Si 2011년 10월 1일 토요일 오후 2:59 i wanted to improve accuracy
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2011년 10월 12일 수요일 오전 1:01
I got my windows 7 64bit home premium system to work again after looking through all these posts and comparing many registry keys to my netbook.
I DID NOT have WOW64 in the registry key and it was called msiserver NOT MSIServer in Capitals.
All I had to do to get installers such as Java or AVG anti-virus working again was to edit the "ImagePath" within msiserver.
I changed it from reading C:\Windows\SysWOW64\msiexec.exe /V to reading C:\Windows\System32\msiexec.exe /V
The file msiexec.exe did not exist in sysWOW64 but did in Systen32 like my netbook.
Hope this fixes your system!
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2011년 10월 19일 수요일 오전 11:12Got the installer on a Windows 7 64 bit HP system to work by doing the reverse of the above - changed the path in msiserver to ~\SysWOW64\ and everything worked again.
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2011년 12월 22일 목요일 오전 2:26
Kalidasan, you are a legend, as everyone is saying. I have been trying to sort this out for weeks, to install MS Security Essentials. In desparation tried to install another program and got the "Windows Installer Service could not be accessed" message, found your suggestion about changing the WOW64 setting, and PRESTO. Essentials installed no problem; and did it while other security still running which is what MS help was focussed on. Brilliant, and thanks !
- 답변으로 제안됨 Neilhoh 2011년 12월 22일 목요일 오전 2:51
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2011년 12월 24일 토요일 오후 11:09I dont have anything that says WOW64 in the msiserver folder, please tell me what to do from there then...
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2012년 1월 1일 일요일 오후 6:59Hey this website http://www.windowsinstallerservicecouldnotbeaccessed.com gave me step by step instructions on how to solve windows installer service could not be accessed message.
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2012년 2월 17일 금요일 오후 7:50
Running sfc scan from this site fixed it for me:
http://answers.microsoft.com/en-us/windows/forum/windows_vista-system/windows-installer-repair-for-vista-64bit-pack-2/a988f90f-ce1f-4058-8895-ffad524df3c7
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2012년 3월 2일 금요일 오후 10:00
love you chap..it was a great help..keep posting...well done..
Kris
Bristol - UK
- 답변으로 제안됨 Val Ramirez 2012년 4월 28일 토요일 오후 4:43
- 답변으로 제안 취소됨 Val Ramirez 2012년 4월 28일 토요일 오후 4:43
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2012년 4월 28일 토요일 오후 4:48
Copy HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msiserver from another working computer and import it to the problem PC.
In elevated cmd, msiexec /unregister then msiexec /regserver
Restart the computer after.
Worked for me. Hope it helps.- 답변으로 제안됨 Val Ramirez 2012년 5월 3일 목요일 오후 5:18
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2012년 5월 1일 화요일 오전 10:39That fixed it for me too! :)
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2012년 5월 3일 목요일 오후 12:20Kalidasan, you are made of win. Bravo!
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2012년 5월 5일 토요일 오후 11:06
Copy HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\services\msiserver from another working computer and import it to the problem PC.
In elevated cmd, msiexec /unregister then msiexec /regserver
Restart the computer after.
Worked for me. Hope it helps.
Do this keys msiexec /unregister /regserver actually work on Windows 7? The msiexec /? help doesn't have any information on them. -
2012년 5월 12일 토요일 오후 7:03
Yes, it also works with Windows 7.
When you type msiexec /? it will open another small window of Windows Installer. See screenshot below.

Val Ramirez
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2012년 6월 6일 수요일 오후 7:34
I may be missing this but....
as others have suggested, where there is no MSIServer folder, no WOW64 file and there is no option of copying from another windows machine, how can we fix this issue?
I am currently running windows vista hp and I can't install anything
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2012년 11월 13일 화요일 오전 7:49
I fixed this issue (windows installer could not be accessed) on a 64 bits XP by doing the followings :
Regedit > HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MSIServer
Check that the ImagePath key is "C:\WINDOWS\system32\msiexec.exe /V"
In execute mode : %windir%\Syswow64\Msiexec /unregister
and : %windir%\Syswow64\Msiexec /regserver
and : msiexec /unregister
and : msiexec /regserver
Restart the Windows Installer service and check it's in automatic.That would be working ^^

