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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Security App Error 0x80070424

When you open Windows Security or try to run a scan, you might see error code 0x80070424. This us...

Troubleshooting

Fix Nginx Configuration Test Syntax Errors

When you run nginx -t and see syntax error, the nginx service will ...

Troubleshooting

Fix Node.js Heap Out of Memory Error in PM2

If you're running a Node.js application under PM2 and seeing FATAL ERROR: CALL_AND_RETR...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Security App Not Starting on Windows 11
                                
You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...
                            
                        
                    
                    
                    
                        
                            
                            
                                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
                                Fix npm install Permission Denied on node_modules
                                
When you run npm install and see a permission denied error involving node_modu...



        
            
                
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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.