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Troubleshooting

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

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Docker Container Exits Immediately in Docker Compose

If your Docker container exits immediately after starting with docker compose up, it...

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How to Fix ERR_NAME_NOT_RESOLVED via Router Settings

If you see ERR_NAME_NOT_RESOLVED in Chrome, your browser can't translate the...

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Fix Nginx Configuration Test Syntax Errors

When you run nginx -t and see syntax error, the nginx service will ...

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Fix Node Sass Build Failure: Environment Variable Errors

When you run npm install or a build script and see an error like Node Sass doe...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Taskbar Icons Missing After Windows Update: How to Restore Them
                                
After a recent Windows update, you might notice that some or all taskbar icons have disappeared. ...



        
            
                
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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.