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windows search 502 bad gateway error code fix windows search module not found registry fix windows terminal path not found environment variable powershell offline installer not working fix windows defender cannot connect permission denied how to restore windows from backup after failed update windows store error 0x80073cf9 permission denied fix windows terminal cannot access file because it is locked

Latest Troubleshooting Guides

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Troubleshooting

How to Fix Windows Defender Error 0x80070422

When you see error 0x80070422 while trying to start Windows Defender, it typically means the Wind...

Troubleshooting

Fix 'PowerShell Not Recognized as Internal or External Command'

If you see the error 'powershell' is not recognized as an internal or external command


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Outlook 'Not Connecting to Server' Network Error
                                
You open Outlook and see a persistent error: "Cannot connect to your mail server. Network err...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Terminal 'Cannot Connect to Localhost: Permission Denied'
                                
You open Windows Terminal, try to connect to a service running on localhost, and get a 'permissio...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Windows Update Token Expired: Admin Checklist
                                
When Windows Update fails with a token expired error, administrators often see messages like "0x8...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Edge Update Failed on Windows 10: Step-by-Step Guide
                                
When Microsoft Edge fails to update on Windows 10, you might see an error like “Update failed” or...



        
            
                
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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.