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Latest Troubleshooting Guides

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Troubleshooting

Fix Chrome Profile 404 Not Found Error

You open Google Chrome and instead of your usual home page, you see a 404 Not Found error related...

Troubleshooting

Fix Windows Defender Blocked by Group Policy Permission Denied

You try to open Windows Defender Security Center or run a scan, but get an error: "Windows Defend...

Troubleshooting

Fix Windows Defender Token Expired Group Policy Error

You may see a Windows Defender error like 'Token expired' or 'The token is expired' in the Window...

Troubleshooting

Fix PowerShell Ubuntu Package Repository Errors

When installing or updating PowerShell on Ubuntu, you might see errors like E: The reposito...


                    
                    
                        
                            
                            
                                Troubleshooting
                                BitLocker 502 Bad Gateway Error: Causes and Fixes
                                
You're trying to manage BitLocker via the web console or a recovery key portal, and instead of th...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Defender Rate Limit Error on Windows 11
                                
You may see a rate limit error when using Windows Defender on Windows 11. This usually happens du...



        
            
                
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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.