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

When you see the error fatal: Unable to create 'path/.git/index.lock': File exists....

Docker Container Exits Immediately with Volume Mount – Fixes
You start a Docker container with a volume mount, and it exits immediately – no error, or just a ...

Fix Nginx 502 Bad Gateway in Docker Containers
An Nginx 502 Bad Gateway error when proxying to a Docker container usually means Nginx cannot rea...

Fix Windows Cannot Access Shared Folder Due to Firewall
You try to open a shared folder on another PC and get an error like "Windows cannot access \\...

npm package.json Not Found: Troubleshooting Checklist
When you run npm install or npm start and see package.json not fo...

Fix 'network not found' Error in Docker on Linux
When you see docker: Error response from daemon: network <name> not found on L...


    Issue queue
Sitemap
How to Fix Git Authentication Failed in VS Code
Troubleshooting DNS_PROBE_FINISHED_NXDOMAIN Error on WiFi
VS Code Git Status Empty After Save Troubleshooting
Troubleshooting Cloudflare Error 522: Step-by-Step
Troubleshooting npx package.json Not Found Error
Windows Security Not Working After Reset: Troubleshooting Guide
Python Package Install Error Mac Fix
How to Solve Docker Volume Permission Issues in Jenkins
How to Remove Stale index.lock in Git on Windows
Troubleshooting Nginx Upstream Connection Refused 443
Nginx 502 Bad Gateway: Connection Refused to localhost
Windows Indexing Setup and Troubleshooting
Desk note

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