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Latest Troubleshooting Guides

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Troubleshooting

Fix Cloudflare Origin Certificate with Let's Encrypt

If your origin server is rejecting the Cloudflare origin certificate—perhaps because of a SAN mis...

Troubleshooting

Fix Docker Nginx 502 Bad Gateway Upstream Error

When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...

Troubleshooting

Pip Externally Managed Environment Error: Causes and Fixes

When you run pip install and get the error error: externally-managed-environme...


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Git Merge Conflict Error Code 128
                                
When you run git merge and get error: merge conflict followed by ...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix the Git index.lock File Exists Error
                                
You're in the middle of a Git operation—commit, merge, or rebase—and Git stops with: fa...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Use Chrome's Built-in Memory Cleanup Tool
                                
If Chrome is eating up your system memory and slowing everything down, you don't need third-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.