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Latest Troubleshooting Guides

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Troubleshooting

How to Fix Microsoft Store Update Error 0x80073cf0

You're trying to update an app in the Microsoft Store and get error 0x80073cf0. This usually happ...

Troubleshooting

Fix Go Modules Proxy 'No Such Host' Error

When using Go modules with a proxy, you may see an error like:

go: example.com/modu...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix 'Windows Security Application Not Found' on Ubuntu
                                
When running Windows applications through Wine or PlayOnLinux on Ubuntu, you might see an error l...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Defender Real-Time Protection Permission Denied
                                
You try to turn on real-time protection in Windows Security, but get a 'permission denied' messag...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Windows Security Blank Screen Issue
                                
When you open Windows Security and see only a blank white or black screen, the app isn't loading ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Security App Blank White Screen
                                
You open Windows Security and see nothing but a white screen. The app appears to load but no cont...



        
            
                
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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.