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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Security Token Expired Error 0x80070520

You see error 0x80070520 with the message 'The security token has expired.' This usually happens ...

Troubleshooting

Fix PowerShell Port Already Allocated Error When Port Is Free

You try to start a service or listener in PowerShell and get an error like port already all...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Terminal Startup Folder Not Working
                                
You set a custom startup folder in Windows Terminal, but it keeps opening to the default location...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Remote Desktop 502 Bad Gateway Errors Related to Firewall Settings
                                
If you're seeing a 502 Bad Gateway error when trying to connect to a remote desk...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Invalid Windows Activation After Upgrade
                                
After upgrading Windows—whether from an older version or a feature update—you might see an error ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Reset Chrome Browser Settings to Fix Pop-Up Blocker Issues
                                
If you're seeing unexpected pop-ups or Chrome's pop-up blocker isn't working as expected, a setti...



        
            
                
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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.