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Latest Troubleshooting Guides

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Troubleshooting

How to Fix Windows Defender DNS Error

You open Windows Security and see a message like "DNS server is not responding" or "Your IT admin...

Troubleshooting

Fix OneDrive Sync Connection Refused on Windows 11

If you see "connection refused" when OneDrive tries to sync on Windows 11, the app can't reach Mi...

Troubleshooting

Fix Windows Security 504 Gateway Timeout from Antivirus Conflict

If you see a 504 gateway timeout error when accessing websites or services, and you have both Win...

Troubleshooting

Fix Task Scheduler Connection Refused on Remote Computer

When you try to connect Task Scheduler to a remote computer, you might see "connection refused" o...

Troubleshooting

npm Command Not Found After Installing Node.js

You installed Node.js but when you try to run npm in your terminal, you get np...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Set Up BitLocker to Avoid Token Expiration Issues
                                
If you use BitLocker with a TPM and PIN or startup key, you may encounter a situation where the 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.