Practical software fixes, setup guides, and tool workflows.

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

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Latest Troubleshooting Guides

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Fix VS Code Git Authentication Failed After Update

After updating Visual Studio Code, you may see an error like "Git: Authentication failed"...

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Fix Git Clone Connection Timed Out Due to Firewall

You run git clone and after a long pause see connection timed out. This...

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Fix Nginx 502 Bad Gateway: Upstream Connection Refused

If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...

Troubleshooting

Fix DNS Probe Finished NXDOMAIN with VPN Issues

When you see 'DNS probe finished NXDOMAIN' in your browser while a VPN is active, it mean...

Troubleshooting

How to Fix 'fatal: refusing to merge unrelated histories' in Git

If you see fatal: refusing to merge unrelated histories when running git merge...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fixing Edge Sync Error 0x80072efd on Windows
                                
If you see error code 0x80072efd when trying to sync your Microsoft Edge browser data, the sync p...



        
            
                
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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.