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Latest Troubleshooting Guides

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Troubleshooting

How to Fix Windows Defender Update Error 0x80070643

If you see error 0x80070643 when updating Windows Defender, it usually means the update failed to...

Troubleshooting

How to Fix BitLocker 'Command Not Found' or 'Permission Denied'

When you run a BitLocker command in PowerShell or Command Prompt and see 'bitlocker' is not...


                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Chrome Profile Permission Denied Error
                                
You try to launch Chrome and see a message like "Your profile could not be opened correctly" or "...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Resolve OneDrive Version Conflicts Between Devices
                                
When you edit a file on one device and then open it on another, OneDrive may show a version confl...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Security High CPU Usage After Update
                                
After a Windows update, you might notice the Windows Security process (Antimalware Service Execut...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Security 'Permission Denied' Error When Settings Won't Open
                                
You click Windows Security (formerly Windows Defender) and get a "Permission denied" or "This set...



        
            
                
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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.