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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Search DNS Error After Network Change

If Windows Search stops working after you change networks — for example, moving from office Wi‑Fi...

Troubleshooting

Fix 'Windows Update Command Not Found' in PowerShell

You open PowerShell, type a Windows Update command like Get-WUInstall or wuauc...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Outlook Connection Refused Error on Windows 10
                                
You open Outlook and see "connection refused" or similar error. This usually means Outlook can't ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Version Mismatch and Permission Denied in Windows Update
                                
When running Windows Update, you might encounter a "version mismatch" error followed by "permissi...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Remote Desktop Version Mismatch: A Practical Checklist
                                
You try to connect to a remote desktop, but instead of a successful login, you get an error about...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix OneDrive Sync Error 0x8004de40 During Migration
                                
When migrating OneDrive accounts or moving files between tenants, you may see error 0x8004de40. T...



        
            
                
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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.