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Latest Troubleshooting Guides

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Troubleshooting

Fix Error 0x80070426 in Microsoft Teams Microphone

When you see error code 0x80070426 in Microsoft Teams while trying to use your microphone, it usu...

Troubleshooting

Fix Ubuntu apt update GPG error: repository not signed

When running sudo apt update, you might see an error like:

W: GPG erro...


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Certbot Nginx Plugin Not Found Error
                                
When running Certbot to obtain an SSL certificate for an Nginx server, you might see an error lik...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Nginx Permission Denied Errors: Common Setup Mistakes
                                
You've installed nginx, configured a server block, and when you try to start it, you see pe...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Defender Service Path Not Working
                                
When Windows Defender's service path isn't working, the Security Center may show “Unknown” status...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Update Error 0x80070002 Permission Denied
                                
If you see error 0x80070002 with a "permission denied" message when running Windows Update, it us...



        
            
                
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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.