Software troubleshooting desk

Practical fixes for tool errors, setup blocks, and workflow issues.

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

How to Fix Nginx 'Upstream Connection Refused' Error

When Nginx returns a 502 Bad Gateway with upstream connection refused in the error l...

Cloudflare SSL Full Strict Origin Server Troubleshooting

When you set Cloudflare SSL/TLS encryption mode to Full (strict), your browser-to-Cloudflare conn...

Fix VS Code Git Not Detecting Changes After .gitignore Update

After updating your .gitignore file, you might notice that VS Code's Git extensi...

Fix Node Sass Build Failure by Upgrading Node Version

If you're seeing a build error like Module build failed: Error: Node Sass does not yet ...

Fix Edge Sync Stuck on Sign-In Loop
You open Microsoft Edge, try to sign in to sync your data, and it keeps looping back to the sign-...

Fix Nginx 'upstream connection refused' When Talking to PHP-FPM
You're seeing upstream connection refused in your Nginx error log, and your site...


    Issue queue
Sitemap
Resolve Cloudflare 521 Origin Connection Error
Ubuntu Nginx Permission Denied Error Fix
WordPress Wildcard Subdomain Not Working with Cloudflare
Fix Git Large File Push Permission Denied
Windows 10 Firefox Secure Connection Error: Step-by-Step Fix
Windows 11 WiFi No Internet? Command Prompt Fixes
Docker Volume Permission Denied as Root Fix
VS Code Git Auth Error on Mac: How to Fix
Troubleshooting Cloudflare DNS Not Updating After SSL Update
Docker Permission Denied on Mac Volumes
How to Fix 502 Bad Gateway in Docker with Nginx
Troubleshooting Cloudflare 521 Error Post-Restart
Desk note

    Troubleshooting paths
Home
Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities