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 Redirect Loop: Step-by-Step Troubleshooting

If you're seeing a redirect loop error (ERR_TOO_MANY_REDIRECTS) in your browser, Nginx is cau...

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...

Fix Docker Pull Access Denied on Windows 10

When you run docker pull on Windows 10 and see access denied, the pull ...

Fix VSCode Breakpoints Not Hit in launch.json

You set a breakpoint in Visual Studio Code, start debugging with a launch.json confi...

Fix Node.js Out of Memory When Building React Apps

When building a React app, you might see a fatal error like FATAL ERROR: Ineffective mark-c...

Fix Docker Compose 'port 8080 already allocated' Error
When running docker-compose up, you may see an error like Error: Port 8080 is ...


    Issue queue
Sitemap
Fix 'Python Not Recognized' Error on Windows 11
Set Node Version per Project with .nvmrc
Fix Docker Build Context Canceled by Symlink Errors
Resolve Python Dependency Issues
Troubleshooting npm Build Errors
How to Restore Taskbar Icons After Logout
Git Detached HEAD: Practical Checklist and Fixes
Git Clone Connection Timed Out: GitHub Enterprise Fixes
Git Clone Timeout Troubleshooting for Linux
ERR_CERT_AUTHORITY_INVALID Localhost Fix
Pip Externally Managed Environment Error: Causes and Fixes
Resolve 'Permission Denied' When Using pip in venv
Desk note

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