
Windows Defender Not Working After Update: Checklist
After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...

After a Windows Update, Windows Defender (now called Microsoft Defender Antivirus) may stop worki...

You open OneDrive and see an error like “Your token has expired” or code 0x8004de40. This usually...

You see a red 'permission denied' icon on a file or folder in OneDrive, and the file won't sync. ...

After a Chrome update, some extensions may stop working, show errors, or disappear. This usually ...

If you see a 'token expired' or 'not working' error in Command Prompt, it usually means an authen...

You've run Set-ExecutionPolicy RemoteSigned (or another policy) but PowerShell still...