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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Update Proxy Errors After Network Change

If you recently switched networks—say, from a corporate VPN to a home Wi-Fi—and Windows Update no...

Troubleshooting

Fix 'ffmpeg not recognized' Error on Mac

When you try to run ffmpeg in Terminal on a Mac and see "ffmpeg: command not found" or "not recog...

Troubleshooting

How to Clear SSL Certificate Cache in Windows 10

If you're seeing certificate warnings, SSL connection errors, or websites that won't load properl...

Troubleshooting

Fix WSL Ubuntu Internet Not Working After Windows Restart

You restart Windows, open WSL Ubuntu, and suddenly there's no internet. ping google.com


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Redis Connection Refused in Sentinel Mode
                                
When Redis Sentinel is configured, you might see "connection refused" errors even though your app...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix VMware VM Network Connectivity After Reboot
                                
After rebooting a VMware virtual machine, you may find that it no longer has network connectivity...



        
            
                
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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.