
Windows Defender Troubleshooting Checklist
Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

You open Google Chrome and get a message like 'Your profile could not be opened correctly' or 'Pr...

You upload a file to a Teams channel chat or a Files tab, then see a message that the file is loc...

You try to sign in to Chrome and get a sync error. Your bookmarks, passwords, and settings aren't...

If you're seeing a network error in Windows Security—like "Something went wrong" or "Can't connec...

When Windows Defender returns a 502 Bad Gateway error, it usually means the security intelligence...