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

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

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How to Fix Cloudflare 522 Error from Plugin Conflicts

If you're seeing a Cloudflare 522 error, it usually means the connection between Cloudflare a...

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Fix Windows 11 Bluetooth Error 0x00000001

If you see error code 0x00000001 when trying to turn on Bluetooth or pair a device in Windows 11,...

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Fix npm run build failing due to ESLint errors

You run npm run build and it fails with a wall of ESLint errors. This is common when...

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Fix Node.js Out of Memory When Building React Apps

When building a React app, you might see a fatal error like FATAL ERROR: Ineffective mark-c...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Recover Lost Changes After Git Detached HEAD
                                
You've made several edits, then checked out an old commit or tag, and now Git says you're...



        
            
                
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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.