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Latest Troubleshooting Guides

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Troubleshooting

Fix OneDrive Sync Error 0x8004de40 During Migration

When migrating OneDrive accounts or moving files between tenants, you may see error 0x8004de40. T...

Troubleshooting

Fix Go Modules Proxy 'No Such Host' Error

When using Go modules with a proxy, you may see an error like:

go: example.com/modu...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Chrome Profile Connection Refused Error
                                
You open Chrome and see "Connection refused" or "ERR_CONNECTION_REFUSED" for every site, or only ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Ubuntu Windows Update Configuration Checklist
                                
If you run Ubuntu alongside Windows in a dual-boot setup or use a virtual machine, you may need t...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Create Chrome Profile with Offline Installer
                                
You may need a separate Chrome profile for work, school, or personal use, especially when install...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix OneDrive SSL Certificate Error and Permission Denied
                                
When you see an SSL certificate error or a permission denied message in OneDrive, syncing stops. ...



        
            
                
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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.