Fix Docker Nginx 502 Bad Gateway Upstream Error
When running Nginx as a reverse proxy in Docker, a 502 Bad Gateway error with 'upstream' ...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesRepair Corrupt Windows Search Index Database
When Windows Search stops returning files or emails, or the search box hangs, a corrupt index dat...
Fix ERR_CONNECTION_RESET Caused by Chrome Extensions
If you see the ERR_CONNECTION_RESET error in Chrome, it often means a network connection was inte...
Fix Docker Compose Port Already Allocated for PostgreSQL
You run docker-compose up and see an error like "Error starting userland pro...
Troubleshoot Python Virtual Environment Not Working: Practical Fixes
If you've created a Python virtual environment but it isn't activating, packages aren'...
VSCode IntelliSense Not Working for JavaScript: Fixes
You open a JavaScript file in VSCode, but IntelliSense is silent — no autocompletions, no suggest...
Issue queue
SitemapResolve Git Lock File After System Crash
Fix Unverified Breakpoints in Express Node.js
Resolving Python Dependency Conflicts in pyproject.toml
Nginx Too Many Redirects? Here's How to Fix It
Fix: Real-Time Protection Turns Off by Itself in Windows Defender
Fix Missing Environment Variables in Docker Build
Windows Defender Real-Time Protection Disabled Fix
Fix Node.js --max-old-space-size Not Taking Effect
Find Docker Desktop Engine Logs on Windows Mac Linux
Nginx SSL Config Test Failure: How to Fix
VS Code Git Not Seeing Changes After Saving Files
How to Fix 'npm package json not found' with npx
Fix Unverified Breakpoints in Express Node.js
Resolving Python Dependency Conflicts in pyproject.toml
Nginx Too Many Redirects? Here's How to Fix It
Fix: Real-Time Protection Turns Off by Itself in Windows Defender
Fix Missing Environment Variables in Docker Build
Windows Defender Real-Time Protection Disabled Fix
Fix Node.js --max-old-space-size Not Taking Effect
Find Docker Desktop Engine Logs on Windows Mac Linux
Nginx SSL Config Test Failure: How to Fix
VS Code Git Not Seeing Changes After Saving Files
How to Fix 'npm package json not found' with npx