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Getting Object reference not set to an instance of an object. NullReferenceException when I try to run get-command

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Greetings, powershell newbie. i have been going through a pluralsight course on powershell and trying to run the commands in the course. I am hitting an error running get-command, it returns the error shown below. I am running on windows 7 sp1 running powershell v3 which I just installed from v2. I have also hit an error when running update-help. notice that get-command -listimported does work. I am running the ise as admin, it gets the same errors either way. I have tried it from command window using powershell.exe, it is consistent and errors. I checked if I had a profile and I do not, using test-path $profile it returned false. I have ran the update-help -force -erroraction silentlycontinue and it appears to update skipping some. Appreciate any help here.
- Edited by Abeljdang Friday, January 25, 2019 9:35 PM details
Friday, January 25, 2019 9:34 PM

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Assuming you have already restarted your system, please try installing latest version of powershell unless you want to practice on powershel v3 only :)
$andeep
- Marked as answer by Abeljdang Monday, January 28, 2019 3:04 PM
Saturday, January 26, 2019 10:30 AM

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It looks like you need to repair your system.

Contact MS support or search for articles on how to repair Win 7 systems.

\_(ツ)_/

Friday, January 25, 2019 10:16 PM
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Assuming you have already restarted your system, please try installing latest version of powershell unless you want to practice on powershel v3 only :)
$andeep
- Marked as answer by Abeljdang Monday, January 28, 2019 3:04 PM
Saturday, January 26, 2019 10:30 AM
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was not sure what versions were compatible. I installed 5.1 and it is now working thanks

Monday, January 28, 2019 3:04 PM