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Troubleshooting

Nginx 502 Bad Gateway: Troubleshooting Checklist

If you're seeing a 502 Bad Gateway from nginx, it usually means nginx can't reach the upstream se...

Troubleshooting

Fix Docker Compose Port Already in Use on Host

When you run docker compose up and get an error like Error starting userland p...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Terminal JSON Error After Update
                                
After a Windows Terminal update, you might see an error like "Error parsing JSON" or a blank sett...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix BitLocker 404 Not Found Error
                                
If you see a "404 Not Found" error when trying to access BitLocker settings or repair tools, it u...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Microsoft Store Ubuntu Snap Not Working
                                
You installed Ubuntu from the Microsoft Store, but the snap command isn't working. This usually a...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Microsoft Store Failed to Start: Step-by-Step Checklist
                                
If Microsoft Store won't start, you're not alone. This checklist walks through the most common fi...



        
            
                
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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.