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Troubleshooting

Fix Windows Update 404 Not Found Error on Windows 11

If you see a "404 Not Found" error when running Windows Update on Windows 11, it usually means th...

Troubleshooting

Fix Go Modules Proxy 'No Such Host' Error

When using Go modules with a proxy, you may see an error like:

go: example.com/modu...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix 'Port Already Allocated' Error in Microsoft Teams
                                
When starting Microsoft Teams, you might see an error like "Port already allocated" or "The proce...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix PuTTY Network Error: Connection Refused on Ubuntu
                                
When you try to connect to an Ubuntu machine using PuTTY and see "Network error: Connection refus...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10
                                
If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Windows Security Log 'Permission Denied' Error
                                
When you try to open the Windows Security Log in Event Viewer and get 'Permission Denied' or 'Acc...



        
            
                
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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.