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

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

If you've noticed that Windows Security isn't updating or connecting to the cloud for threat defi...

If Windows Defender crashes or fails to start after a recent update and you see error 0x800704ec,...

After a recent Windows or Office update, you might see a "Connection refused" error when trying t...

If you manage multiple Windows user accounts on a single machine or deploy Chrome across several ...

If you see error 0x80070002 when trying to install Windows updates that are stuck on "pending ins...