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Latest Troubleshooting Guides

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Troubleshooting

How to Free Up a Port in Command Prompt (Windows)

When an application fails to start because a port is already in use, you need to free that port. ...

Troubleshooting

Fix Windows Update Cleanup Stuck Waiting for Other Updates

If you're running Disk Cleanup and it hangs at 'Windows Update Cleanup' with a message that it is...

Troubleshooting

How to Fix Git SSL Certificate Problem on Linux

When you see fatal: unable to access 'https://...': SSL certificate problem: unable to get ...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Windows Security Not Opening? Here's How to Fix It
                                
You click the Windows Security icon in the taskbar or try to open it from Settings, but nothing h...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Chrome DNS Error Code 105 (ERR_NAME_NOT_RESOLVED)
                                
If you see "DNS error code 105" or "ERR_NAME_NOT_RESOLVED" in Chrome, it means the browser cannot...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix Command Prompt Not Working on Mac
                                
If you're trying to use the command prompt on a Mac, you're likely referring to the Terminal app....



        
            
                
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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.