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Fix Windows Security 'Permission Denied' Error When Settings Won't Open

You click Windows Security (formerly Windows Defender) and get a "Permission denied" or "This set...

Fix Windows Search Log File Not Found Error

When you see 'Windows Search log file not found' in Event Viewer or during indexing, the search i...

Fix Windows Security Not Starting Due to Third-Party Antivirus

If Windows Security (formerly Windows Defender) refuses to start or shows a blank screen, a third...

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 ...

How to Backup to External Drive Using Windows Command Prompt
If you need a reliable way to copy files to an external drive without extra software, the Windows...

Certbot Nginx Plugin Install Failures: Common Fixes
When you run certbot --nginx and get an error like "The nginx plugin is not working"...

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