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Latest Troubleshooting Guides

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Troubleshooting

Fix Windows Defender Not Starting After Update

After a Windows update, you might see that Windows Defender (now called Microsoft Defender Antivi...

Troubleshooting

How to Fix Windows Update Not Downloading New Updates

You click "Check for updates" in Windows Update, but nothing happens—or the download hangs at 0%....

Troubleshooting

How to Fix Python Module Not Found Error

You've written your Python script, hit run, and got ModuleNotFoundError: No module named 'x...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix MySQL 'Access Denied for User 'user'@'%'' Error
                                
If you're seeing ERROR 1045 (28000): Access denied for user 'user'@'%', it means MyS...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix FFmpeg Audio Out of Sync in VLC Playback
                                
You encoded a video with FFmpeg, but when you play it in VLC, the audio drifts out of sync. This ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Check Which Application Is Using Remote Desktop Port (3389)
                                
When you try to start Remote Desktop and get an error that the port is already in use, something ...



        
            
                
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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.