
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...

When you try to share your screen in Microsoft Teams and nothing happens—or participants see a bl...

If you've lost your BitLocker recovery key and need to access your backup data, you're in a tough...

You open Chrome, try to load a site, and get "This site can’t be reached" or "Connection timed ou...

If Outlook is using 50% or more of your CPU for no obvious reason, an add-in is often the culprit...

If you see error 0x8031004a when enabling or managing BitLocker, it usually means the Trusted Pla...