
Fix Windows Defender Version Mismatch After Update
After a Windows update, you might see a message that Windows Defender (Microsoft Defender Antivir...
Software troubleshooting desk

After a Windows update, you might see a message that Windows Defender (Microsoft Defender Antivir...

If you see error code 0x80131500 when trying to open the Microsoft Store or download an app, the ...

You're browsing and suddenly Chrome shows a 'token expired' error, often accompanied by sync fail...

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

If you see 'Your profile could not be opened correctly' or 'Invalid profile configuration' when l...

If you see a message that says "Invalid configuration" when opening Windows Security, the app usu...