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Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Fix NET::ERR_CERT_AUTHORITY_INVALID in Chrome Safe Mode

When you see NET::ERR_CERT_AUTHORITY_INVALID in Chrome while running in Safe Mod...

Chrome Startup Crash Due to Malware: Detection and Fix

If Chrome crashes immediately upon launch, or opens to a blank page before closing, malware may b...

Fix Nginx Permission Denied Errors on Ubuntu

If you're seeing permission denied errors in your Nginx error log on Ubuntu, the...

Fix Windows 11 Installation Assistant Stuck at 99% Due to Network Issues

You're running the Windows 11 Installation Assistant, it downloads happily up to 99%, then si...

Fix Git SSL Certificate Error: Unable to Get Local Issuer Certificate

When cloning or pulling from a Git repository, you may see:

fatal: unable to access...


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