
Fix Windows Defender Can't Connect After Update
After a Windows update, you might see an error that Windows Defender can't connect to the service...
Software troubleshooting desk

After a Windows update, you might see an error that Windows Defender can't connect to the service...

If Windows Defender shows a sync error with a proxy-related message, it usually means Defender ca...

If you see an error like Azure CLI token is expired when running commands in Windows...

If you're running Windows Defender on a Mac via virtualization or dual-boot and encountering a 'p...

You try to run Windows Update and get an error like "Authentication failed" or "0x80070005" – and...

After a Windows update, you might see backup error 0x80070001. This often means "Incorrect functi...