Practical software fixes, setup guides, and tool workflows.

Clear technical guides for everyday software errors, configuration problems, and productivity tools.

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Troubleshooting

Fixing Nginx 502 Bad Gateway in Docker Networks

You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

Troubleshooting

Fix Docker Nginx 502 Bad Gateway After Restart

After restarting your Docker containers, you might see a 502 Bad Gateway error when accessing you...

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Fix Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Troubleshooting

How to Fix Windows Update Service Not Running

If Windows Update won't start or you see an error like "Windows Update cannot check for u...

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Fix Cloudflare SSL Full Strict Mixed Content Warning

You've enabled Cloudflare SSL/TLS encryption mode to Full (strict) and now see mixed content ...

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How to Fix Git Push Rejected (Non-Fast-Forward) Error

You run git push and get an error like ! [rejected] main -> main (non-fast-...



        
            
                
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                    Support Note
                     Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.