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Troubleshooting

How to Fix DNS_PROBE_FINISHED_NXDOMAIN in Chrome

When Chrome shows DNS_PROBE_FINISHED_NXDOMAIN, it means the browser can't fi...

Troubleshooting

Fix VS Code Git Auth Failed with Personal Access Token

If you're using a personal access token (PAT) for Git authentication in VS Code and seeing &#...

Troubleshooting

Fixing Nginx Upstream Connection Refused in Load Balancing

When Nginx load balancing returns upstream connection refused, it means one or more ...

Troubleshooting

Fix Git Push Rejected Non Fast Forward Error

When you try to push commits to a remote repository and see “rejected – non-fast-forward”, it mea...

Troubleshooting

Fix npm install Permission Denied on Windows 10

You run npm install on Windows 10 and see errors like Error: EPERM: operation ...


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Git Authentication Failed in VS Code
                                
You're in VS Code, push or pull fails with "Authentication failed"—this is common and...



        
            
                
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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.