Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix 'Permission Denied' Error When Saving VS Code settings.json

You open VS Code's settings.json (either user or workspace), make a change, and try to save. ...

Fix 'Port Already Used by Another Container' in Docker Compose

When you run docker compose up and see an error like port is already allocated...

How to Fix npm Package Json Not Found Error
When you run npm install or npm start and see npm ERR! package.js...

Fix Windows Security App Blocked by Antivirus
You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...

Fixing Nginx 502 Bad Gateway in Docker Networks
You have an Nginx container proxying requests to another container (like a PHP-FPM or Node app), ...

Nginx Redirect Loop: Common Causes and Fixes
You set up a redirect in nginx, but now your browser shows 'redirect loop' or 'too ma...


    Issue queue
Sitemap
DNS Probe Finished NXDOMAIN Router Fix Guide
Fixing Python Dependency Conflicts with Incompatible Versions
Resolve Docker Compose Port Conflict
Fix Python UnicodeDecodeError 'charmap' Codec
Restore Windows Defender After Clean Boot
Chrome Memory Saver Mode Not Working: Quick Fixes
How to Reset Proxy Settings in Windows 11
How to Resolve 'git remote origin already exists' on Mac
Fix Firefox SSL Connection Failed Error
Enable Windows Defender Real-Time Protection: Step-by-Step
Conda Permission Denied on Package Install
Nginx Upstream Connection Refused in Docker: How to Fix
Desk note

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