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Fix 'Security Module Not Found' in Windows Defender

If you see a message in Windows Security that says something like "Security module not found" or ...

UFW Port Closed Despite Allow Rule: Fixes

You've added a UFW allow rule for a port, but a port scan or service test shows the port is still...

Fix OneDrive Not Signing In Due to Network Firewall

You try to sign in to OneDrive, but it fails with a network error. Often, a firewall—on your comp...

Fix pip SSL Certificate Verify Failed on Ubuntu