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Latest Troubleshooting Guides

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Troubleshooting

Repair Corrupt Windows Search Index Database

When Windows Search stops returning files or emails, or the search box hangs, a corrupt index dat...

Troubleshooting

Nginx Upstream Connection Refused: Fixing localhost Errors

You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...

Troubleshooting

Fix Nginx Upstream Connection Refused Socket Error

When Nginx returns a 502 Bad Gateway or logs upstream connection refused


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Windows 11 Update Stuck at 0 Percent
                                
You click Check for updates, and the progress bar sits at 0% for minutes or hours. This is a comm...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Windows Update Service Troubleshooting Checklist
                                
When Windows Update stops working, the update service itself is often the culprit. You may see er...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Update Error 0x800f081f After SFC ScanNow
                                
You run sfc /scannow to check system files, and it completes successfully. But when ...



        
            
                
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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.