Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Git 'index.lock' File Exists Error in SourceTree

If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...

Git Merge Conflict: How to See the Diff Between Versions
When you run git merge and hit a conflict, Git pauses and marks the conflicting file...

Fix ERR_NAME_NOT_RESOLVED After Chrome Update
If Chrome started showing ERR_NAME_NOT_RESOLVED on every website right after an upda...

Docker Compose Port Already Allocated: Checklist
You run docker-compose up and get an error like Error starting userland proxy:...

Docker Container Exits Immediately: 'Command Not Found' Fix
You start a Docker container and it exits immediately with a message like /bin/sh: 1: somec...

VSCode Python Debugger Breakpoint Not Stopping: Fixes
You set a breakpoint in VSCode, start debugging, and execution passes right through it. The debug...


    Issue queue
Sitemap
Troubleshoot Nginx 502 Bad Gateway in Docker Load Balancer
Docker Access Denied Error 403 Troubleshooting
How to Fix Cloudflare Origin Certificate Validation Failed
No Space Left on Device Docker Overlay2
Troubleshooting Nginx Upstream Connection Refused
Keep Both Files After Git Merge Conflict
How to Solve Docker Volume Permission Denied
How to Solve npm ENOENT package.json Error in Windows 10
Fix npm run build Failed Due to Webpack Configuration
Windows Security App Not Opening? Try These Steps
How to Fix Chrome Startup Crash by Disabling Extensions
Fix Docker Compose Environment Variables Not Reaching Entrypoint
Desk note

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