Fix Firefox Not Responding When Opening a New Tab
You click the new tab button (or press Ctrl+T) and Firefox freezes, goes white, or shows a spinni...
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View listWindows Security Not Scanning for Viruses: How to Fix
If Windows Security (formerly Windows Defender) is not scanning for viruses, you may see an error...
Fix Outlook Connection Refused Due to Firewall Settings
If Outlook suddenly shows a "connection refused" error when trying to send or receive email, the ...
Fix Windows Update Setup Failed Rollback Changes
When a Windows update fails and you see "Undoing changes" or "We couldn't complete the updates, u...
How to Reinstall Windows Defender After Error 404
If you see a 404 error when trying to open Windows Defender, it usually means the app's files are...
Checklist for Fixing Windows Defender Dependency Conflict
If Windows Defender refuses to start or update with an error about a dependency conflict, it's of...
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