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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Update 502 Bad Gateway After Update

After installing a Windows update, you might encounter a 502 Bad Gateway error when trying to use...

Troubleshooting

Fix Windows Activation Service Unavailable Without Product Key

You see 'Windows activation service unavailable' and you don't have the product key. This usually...

Troubleshooting

Fix SSH Host Key Verification Failed & Permission Denied

When you see Host key verification failed followed by Permission denied (publi...


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix a Microsoft Teams Update Loop
                                
You open Microsoft Teams, and instead of loading normally, it shows a message like "We're updatin...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Command Prompt Permission Denied Error in Windows 11
                                
When you see a 'permission denied' or 'access denied' error in Command Prompt on Windows 11, it u...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Microsoft Store Not Working Due to Proxy Settings
                                
If the Microsoft Store won't load, shows errors, or fails to download apps, your proxy settings m...



        
            
                
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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.