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Latest Troubleshooting Guides

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Troubleshooting

Fix Command Prompt Version Mismatch Error Code

When you see a "version mismatch" error in Command Prompt, it usually means the command you're tr...

Troubleshooting

Fix Windows Update Dependency Conflict with DISM

When you run Windows Update and encounter errors like 0x800f081f or 0x80073712, a dependency conf...

Troubleshooting

Windows Defender SSL Certificate Error Configuration Guide

If you see SSL certificate errors when Windows Defender scans HTTPS traffic, it's usually due to ...

Troubleshooting

Fix Certbot Nginx Plugin SSL Certificate Renewal Failures

When the Certbot Nginx plugin fails to renew SSL certificates, you might see errors like ur...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix PowerShell 502 Bad Gateway Caused by TLS Version Mismatch
                                
If you see a 502 Bad Gateway error when running PowerShell scripts that call web...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Windows Security 'Permission Denied' Error When Settings Won't Open
                                
You click Windows Security (formerly Windows Defender) and get a "Permission denied" or "This set...



        
            
                
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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.