Enable Windows Security Manually When It Fails to Start
If Windows Security (formerly Windows Defender) fails to start, you may see an error like "This a...
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View listFix Windows Update Access Denied Registry Error
When you try to edit the registry to fix Windows Update and get an 'access denied' error, it usua...
Fix Windows Activation Invalid Configuration After Hardware Change
After replacing a motherboard, CPU, or hard drive, you might see "Windows isn't activated" or "In...
How to Fix Windows SSL Certificate Error in Chrome
If you see "Your connection is not private" or "NET::ERR_CERT_DATE_INVALID" in Chrome on Windows,...
Windows Security DNS Error Troubleshooting Checklist
If you see a DNS error in Windows Security—like 'DNS resolution failed' or 'We can't connect to t...
Fix 7-Zip 'Unsupported Archive Format' Error
When you try to open a file with 7-Zip and see “Cannot open file as archive: unsupported ...
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