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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Defender Connection Refused After Update

After a recent Windows Update, you might see a "connection refused" error when trying to open Win...

Troubleshooting

How to Fix MongoDB Authentication Failed Error

You try to connect to MongoDB and get AuthenticationFailed or MongoError: Auth...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Setup Remote Desktop Credentials for a Domain User
                                
When you try to connect to a remote Windows machine using Remote Desktop (RDP) and you're a domai...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix 'Windows Security Blocked File from Opening' Error
                                
You try to open a file, and Windows Security blocks it with a message like “Windows Security bloc...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix GitHub Actions Permission Denied (publickey) Error
                                
You're running a GitHub Actions workflow and see Permission denied (publickey) when ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Nginx 404 Not Found Error
                                
Seeing a 404 Not Found error in Nginx often means the server is running but can't locate the requ...



        
            
                
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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.