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nginx upstream connection refused balance how to update node version for package compatibility chrome access violation error windows 7 fix taskbar icons missing from notification area remote desktop connection failed due to firewall blocking git clone timeout error on mac how to fix wifi connected but no internet on windows 11 chrome extensions not loading troubleshooting guide

Latest Troubleshooting Guides

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Troubleshooting

Fix Chrome Startup Error 0xc0000022 on Windows

When you try to open Google Chrome and see error code 0xc0000022, the browser fails to start. Thi...

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Fix VS Code Source Control Not Detecting Changes After Branch Switch

After switching branches in Git, VS Code's Source Control view sometimes stops showing change...

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Fix Nginx 'upstream connection refused' When Talking to PHP-FPM

You're seeing upstream connection refused in your Nginx error log, and your site...

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Fixing Nginx Permission Denied Due to SELinux Context

You've configured nginx, but when you try to access your site, you see a 403 Forbidden<...


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Git SSL Certificate Problem: Unable to Get Local Issuer
                                
When you run a Git command and see error: SSL certificate problem: unable to get local issu...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                Fixing Nginx Upstream Connection Refused in Load Balancing
                                
When Nginx load balancing returns upstream connection refused, it means one or more ...



        
            
                
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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.