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    Hi. I have problem with high CPU usage in my Windows 8 64bit Pro. Every 25-35 second i have this 50% cpu peek. I went through this forum and haven't found solution for my case. Here is my etl file: https://dl.dropbox.com/s/nlt2b9oo8o2yn50/HighCPUUsage3.7z?dl=1 . I tried to analyze it, but it too much for me :) I know its svchost... Anybody can help? 
    • Edited by qchar Saturday, January 12, 2013 9:20 PM
    Saturday, January 12, 2013 9:20 PM

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    Andre, I don't exactly know what you ment saying to trace with all networks disabled, so I made 2: one with gigabit lan device disabled in device manager: https://www.dropbox.com/s/y2s2w0fu1f1f6gs/QCHAR-STUDIO.01-14-2013.18-05-45.etl.7z , and second one with all network devices disabled: https://www.dropbox.com/s/fbkr62se4q10wox/QCHAR-STUDIO.01-14-2013.22-04-14.etl.7z If you ment something else let me know. I'll post new traces tomorrow.

    Do you also have the issues if you remove G-Data (AvkBap64.exe)? This is the second programs which has a larger CPU usage. And maybe G-Data also causes the other issue.

    "A programmer is just a tool which converts caffeine into code"

    • Marked as answer by qchar Tuesday, January 15, 2013 8:37 PM
    Tuesday, January 15, 2013 6:36 AM
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    The network connection manager causes the CPU usage (netman.dll!CLanConnection::GetProperties). Are the network connection settings (IP, DNS/DHCP) ok?

    "A programmer is just a tool which converts caffeine into code"

    Saturday, January 12, 2013 10:01 PM
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    I'm not sure, but they seem fine. I think everything is in its default settings. My computer is a bit old (Dell Studio 1735), but for sure i have newest drivers for lan and bluetooth available for Windows 8 installed. I haven't checked yet if wlan drivers are the newest ones available. I use DHCP everywhere I go. The problem is present when I'm connected by cable, now when I use wifi, and also when im not connected to any of them. Any ideas how to investigate it further?
    Saturday, January 12, 2013 10:34 PM
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    try to avoid DHCP and set the IP addresses manually. Does this help?

    "A programmer is just a tool which converts caffeine into code"

    Saturday, January 12, 2013 10:37 PM
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    OK, I tried a few thigs but any of them helped: switch to static IP, turned off wifi card in windows devices manager(i've just read it's unsupported in win8, but it magically works), turned it off phisicly(switch on side of laptop), disconected all network shares, turned off dropbox, turned off ipv6 for my wifi. Again no more ideas. This netman doesn't have some log file? Maybe its telling whats wrong and I just don't know where to look?

    Saturday, January 12, 2013 11:03 PM
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    what are the specs for your rig?

    Windows MVP, XP, Vista, 7 and 8. More people have climbed Everest than having 3 MVP's on the wall.

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    Sunday, January 13, 2013 12:52 AM
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    Intel Core 2 Duo P8400

    4GB RAM

    ATI HD3650

    2 drives: Plextor M5 Pro 256GB SSD + 160GB HDD,

    Gigabit Lan from Broadcom,

    Wifi from Intel 5100 Link,

    Bluetooth described as Dell Bluetooth 370

    Monday, January 14, 2013 8:33 AM
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    Hi,

    I suggest to use Process Explorer and KernRate to troubleshoot the high usage of CPU.

    Detail steps you can refer this blog:

    http://blogs.technet.com/b/markrussinovich/archive/2008/04/07/3031251.aspx

    It could help you to determine which device or driver cause the issue.

    Regards,

    Leo   Huang

    Leo Huang
    TechNet Community Support

    Monday, January 14, 2013 9:36 AM
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    Hi,

    I suggest to use Process Explorer and KernRate to troubleshoot the high usage of CPU.

    Detail steps you can refer this blog:

    http://blogs.technet.com/b/markrussinovich/archive/2008/04/07/3031251.aspx

    It could help you to determine which device or driver cause the issue.

    do you read before posting? Your reply doesn't help in any ways. The network connection manager causes the high CPU usage.

    "A programmer is just a tool which converts caffeine into code"

    Monday, January 14, 2013 7:09 PM
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    make a new trace with all networks disabled.

    "A programmer is just a tool which converts caffeine into code"

    Monday, January 14, 2013 7:10 PM
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    Andre, I don't exactly know what you ment saying to trace with all networks disabled, so I made 2: one with gigabit lan device disabled in device manager: https://www.dropbox.com/s/y2s2w0fu1f1f6gs/QCHAR-STUDIO.01-14-2013.18-05-45.etl.7z , and second one with all network devices disabled: https://www.dropbox.com/s/fbkr62se4q10wox/QCHAR-STUDIO.01-14-2013.22-04-14.etl.7z If you ment something else let me know. I'll post new traces tomorrow.

    @Vegan Fanatic: Originally computer came with Vista. But it worked fine with Windows 7 for a long time, so I thought Windows 8 shouldn't be a problem. I hope that downgrading won't be necessary :)

    @Leo: KernRate won't work in my Win8 64bit. Maybe you could get some info from etl files that i have posted?

    Monday, January 14, 2013 9:32 PM
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    Andre, I don't exactly know what you ment saying to trace with all networks disabled, so I made 2: one with gigabit lan device disabled in device manager: https://www.dropbox.com/s/y2s2w0fu1f1f6gs/QCHAR-STUDIO.01-14-2013.18-05-45.etl.7z , and second one with all network devices disabled: https://www.dropbox.com/s/fbkr62se4q10wox/QCHAR-STUDIO.01-14-2013.22-04-14.etl.7z If you ment something else let me know. I'll post new traces tomorrow.

    Do you also have the issues if you remove G-Data (AvkBap64.exe)? This is the second programs which has a larger CPU usage. And maybe G-Data also causes the other issue.

    "A programmer is just a tool which converts caffeine into code"

    • Marked as answer by qchar Tuesday, January 15, 2013 8:37 PM
    Tuesday, January 15, 2013 6:36 AM
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    @Andre: I will try... But they say that theirs software is Windows 8 compatible.

    @Vegan: I dont't know if it'll help, but here you are:

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    Free for personal use only.

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    Catalyst Pro Control Center
    FileZilla Client 3.6.0.2
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    IDT Audio
    ITE Infrared Transceiver
    IrfanView (remove only)
    Java 7 Update 10
    Kits Configuration Installer
    KrView
    Microsoft Office 2007 Service Pack 3 (SP3)
    Microsoft Office 2007 Service Pack 3 (SP3)
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    Microsoft_VC80_CRT_x86
    Microsoft_VC80_MFCLOC_x86
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    NapiProjekt (2.1.0.2287)
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    Security Update for Microsoft Office 2007 suites (KB2596744) 32-Bit Edition 
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    Security Update for Microsoft Office Excel 2007 (KB2687307) 32-Bit Edition 
    Update for 2007 Microsoft Office System (KB967642)
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    WPT Redistributables
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    WinSCP 5.1.2
    foobar2000 v1.1.18
    µTorrent

    -----

    After a while, I think that this list is very incomplete: for example it doesn't include my G-Data Antyvir, or Adobe Lightroom and many more installed...

    • Edited by qchar Tuesday, January 15, 2013 4:34 PM
    Tuesday, January 15, 2013 4:22 PM
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    Surprisingly for me, uninstalling G-Data helped. No more regular cpu spikes :) But now I'm without antivirus protection ;) Thanks anyway! The problem was very frustrating.
    Tuesday, January 15, 2013 8:44 PM
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    Surprisingly for me, uninstalling G-Data helped. No more regular cpu spikes :) But now I'm without antivirus protection

    try to install only the core AV components and not all the firewall and addons. Maybe this helps. If not contact the G-Data support and explain them the issue and send them the ETL files.

    Until you get an updated version use the in Win8 included Defender.

    "A programmer is just a tool which converts caffeine into code"

    Wednesday, January 16, 2013 5:46 AM
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    I had the same problem with Windows 8 Pro, for the first few weeks all is well, then the cpu went to 95-97% even no major programs are running, I tried stopping various services and it dropped below 30% when I stopped Bluetooth services.

    Reboot with the Bluetooth disabled, now back to normal, as long I do not activate Bluetooth.

    Sunday, January 20, 2013 6:18 AM
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    The user already fixed it by removing G-Data.

    "A programmer is just a tool which converts caffeine into code"

    Sunday, January 20, 2013 7:30 AM
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