
Windows Defender Cannot Connect: Troubleshooting Checklist
You open Windows Security and see a message like "Windows Defender cannot connect" or "Check your...
Software troubleshooting desk

You open Windows Security and see a message like "Windows Defender cannot connect" or "Check your...

If you're seeing a 401 status code with a message like "token expired" in PowerShell, it usually ...

You reboot a Windows server or workstation and notice that scheduled tasks take much longer than ...

If you've moved your Windows user folder to a different drive or upgraded to a new disk, you migh...

You're sending messages in Microsoft Teams via the Graph API or a bot, and suddenly you get a

If Windows Defender is acting up—slow scans, high CPU usage, or outdated definitions—you may need...