Software troubleshooting desk

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

Symptom

Cause

Fix route

Verify

Fresh repair notes

All notes

Fix Nginx 502 Bad Gateway with Docker Socket

You have an Nginx container proxying requests to another container via the Docker socket, and you...

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...

Fix Cloudflare 521 Error Due to Server Overload
You see a Cloudflare 521 error page. The message says the web server is down. Often, this means y...

Fix Chrome Sync Not Working on Android
If Chrome sync has stopped working on your Android device, bookmarks, passwords, and open tabs wo...

Git index.lock File Exists Even After Deleting: Fixes
You delete the .git/index.lock file, but Git still says it exists. This can happen d...

Fix npm ENOENT package.json Not Found Due to Wrong Directory
You run npm install or npm start and get an error like ENOENT: no...


    Issue queue
Sitemap
Fix Nginx Permission Denied Errors on Ubuntu
Troubleshooting Node.js Heap Out of Memory (Code 134)
How to Get Python venv Working in VS Code Terminal
Windows Defender Real-Time Protection Keeps Disabling Automatically
Troubleshoot Windows 11 Assistant Hanging at 99%
VSCode IntelliSense Not Working for Dart/Flutter: Fixes
Docker Image Pull Denied: Fix Access to Repository
How to Stop Chrome Black Screen on Mac
VSCode Git SSH Key Error Troubleshooting
Solving the Externally-Managed Environment Problem in pip
Node.js Memory Limit Error Troubleshooting
Python Pandas UnicodeDecodeError Fix
Desk note

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