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Latest Troubleshooting Guides

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Troubleshooting

How to Fix Windows Security Settings Error

When Windows Security throws a settings error, you might see messages like "Something went wrong"...

Troubleshooting

How to Fix Windows Update Error 0x80070643

When Windows Update fails with error 0x80070643, the update usually stops at a certain percentage...

Troubleshooting

Fix Windows Defender Token Expired Preventing Service Start

You see 'Token expired' in the Windows Defender event log or a notification that the service didn...

Troubleshooting

Fix Windows Defender File Locked Permission Denied Error

You try to open, edit, or delete a file and get an error like File locked by Windows Defend...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Defender Not Working After Update
                                
After a Windows update, you might find that Windows Defender (Microsoft Defender Antivirus) is di...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Update Error 0x80070002: Missing Files
                                
If you see error 0x80070002 when checking for updates, Windows is likely missing a file it needs....



        
            
                
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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.