
Fix Windows Defender Can't Connect to Microsoft Server
When Windows Defender shows 'Can't connect to Microsoft server', it usually means the antivirus c...
Software troubleshooting desk

When Windows Defender shows 'Can't connect to Microsoft server', it usually means the antivirus c...

You try to download a file from OneDrive, but get a 'permission denied' message. This can happen ...

If your Chrome startup pages are stuck loading or show a blank screen, it's usually a local setti...

You're setting up BitLocker Network Unlock or managing BitLocker via Group Policy, and you see an...

You open Windows Security and see a red banner: “Virus & threat protection turned off.” This can ...

When Outlook acts up—connection errors, startup failures, or sync problems—the built-in log files...