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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Activation File Locked in Safe Mode

Users sometimes find that after booting into Safe Mode to troubleshoot a system issue, Windows ac...

Troubleshooting

Fix SSH Host Key Verification Failed on Linux

When you try to connect to a remote server via SSH on Linux, you might see an error like Ho...


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Unlock a File Locked by Windows Security
                                
You try to open, move, or delete a file, but Windows shows a message like "This file is blocked b...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix 'Windows Defender Command Not Found Access Denied'
                                
You type MpCmdRun.exe -Scan -ScanType 2 or another Defender command in Command Promp...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Microsoft Store Token Expired Error on Windows 11
                                
You open Microsoft Store on Windows 11 and see a message like "Token expired" or "Something went ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Microsoft Store App Version Mismatch Errors
                                
You open a Microsoft Store app and get an error about a version mismatch, or the app won't start ...



        
            
                
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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.