
Fix 'PowerShell Not Recognized as Internal or External Command'
If you see the error 'powershell' is not recognized as an internal or external command

If you see the error 'powershell' is not recognized as an internal or external command

You’ve updated a .NET assembly in the Global Assembly Cache (GAC) or copied a new DLL into a modu...

If you suspect malware despite Windows Defender being active, follow this checklist. It covers bu...

If Windows Security (formerly Windows Defender) doesn't start automatically after you log in, you...

If you've ever replaced a motherboard or reinstalled Windows and been prompted to reactivate, you...

You open Windows Security and see a warning about a DNS error, or Windows Defender cannot update ...