
Fix 'Access Denied' Errors After Windows Update
After a Windows update, you might see "Access Denied" errors when trying to open Windows Security...
Software troubleshooting desk

After a Windows update, you might see "Access Denied" errors when trying to open Windows Security...

You see OneDrive error 0x8004de40 with the message "Connection refused." This often happens when ...

If you see a 502 Bad Gateway error while using command prompt—for instance when ...

After a Windows or Windows Terminal update, you might see a connection timeout error when trying ...

When managing Windows Defender across an enterprise, you often encounter inconsistent settings, m...

If you see a 'version mismatch' error in OneDrive, it usually means the app on your computer is o...