Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix VS Code Breakpoint Not Hit in Express App

You set a breakpoint in your Express route handler, start debugging, and the breakpoint is never ...

Fix 'Permission Denied' in VS Code Terminal on Mac

You're working in VS Code on a Mac, and when you try to run a command in the integrated termi...

Fix DNS Probe Finished NXDOMAIN Error on Mac

You're browsing on your Mac and suddenly a site won't load, showing the error DNS...

Fix Git 'index.lock' Error in VS Code
If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Fix Docker Container Exits Immediately After Start
You run docker run myimage and the container stops almost instantly. This is a commo...

Fix Git SSL Certificate Error: Unable to Get Local Issuer Certificate
When cloning or pulling from a Git repository, you may see:
fatal: unable to access...

Issue queue Sitemap Group Policy Method to Enable Windows Defender Real-Time Protection Fix Docker Nginx 502 Bad Gateway Upstream Error How to Fix Missing Env Variables in npm Build Docker Access Denied: Authentication Required Guide Fix 'nginx -t test failed no such file or directory' Error Windows Update Error 0x80070002 Repair Guide Stop Chrome Memory Leak: Practical Solutions How to Enable Breakpoints in VS Code Docker Compose Port Mapping Troubleshooting Resolve Error 0x80070002 by Freeing Up Disk Space Windows Update Service Fix Checklist Resolve Git Fatal Refusing to Merge Unrelated Histories Desk note Troubleshooting paths Home Windows FixesmacOS HelpBrowser IssuesOffice ToolsDeveloper ToolsCloud SoftwareSecurity ToolsBackup RecoveryNetwork ToolsDatabase ToolsAI ToolsProductivity AppsCLI ErrorsDocker KubernetesEmail ClientsFile Utilities