
Windows Defender Access Denied Troubleshooting Checklist
You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...
Software troubleshooting desk

You try to open Windows Defender or run a scan and get an "Access Denied" message. This usually m...

After upgrading Windows, you may find that Windows Update stops working—errors like 0x80070002, 0...

After a Windows update, you might see a message that Windows is not genuine, even though it was a...

You try to visit a secure site in Chrome and get an error like ERR_SSL_PROTOCOL_ERROR or...

If you're seeing a 504 Gateway Timeout error in Microsoft Teams, it usually means the server your...

You open Microsoft Store to install or update an app, and get error code 0x80073cf0. Usually this...