
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 you see a 'file locked' error when trying to install or update an app from the Microsoft Store...

If you see an SSL certificate error in Windows Terminal—often when using SSH, PowerShell, or WSL ...

After a Windows update, you might notice that search results are missing, outdated, or not syncin...

If you manage multiple Windows computers and users report Remote Desktop connection issues like a...

You're installing or updating Windows Security (formerly Windows Defender) and get an error about...