Fix Nginx 502 Bad Gateway on Docker Ubuntu
You're running Nginx as a reverse proxy inside Docker on Ubuntu, and suddenly you see
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix 'Permission Denied' When Activating Python venv
When you try to activate a Python virtual environment with source venv/bin/activate ...
VS Code Git Not Detecting Changes in Workspace: Fixes
You open VS Code, make edits, and expect to see them in the Source Control panel. But nothing sho...
Fix Windows Explorer Restarting After Login
If Windows Explorer keeps restarting after you log in, you’ll see the desktop flash, icons disapp...
VS Code Git Changes Not Detected After Clone: Fixes
You clone a repository, open it in VS Code, but the Source Control panel shows no changes—even th...
Fix pip Error: Externally Managed Environment
If you're on a modern Linux distribution (like Debian 12, Ubuntu 23.04+, Fedora, or Arch) and...
Issue queue
SitemapFix Git Push Rejected Non Fast Forward Force
Fix Connection Reset Error on Certain Websites
Fix Explorer Crashing with System File Checker
How to Stop Windows 11 Update Rollback After Blue Screen
How to Fix GitHub Authentication Failed in VS Code
VS Code Save Permission Error Fix
Git index.lock Error: How to Fix It
Why Your Cloudflare Wildcard Page Rule Isn't Working
Setup.py Dependency Conflict Troubleshooting
Fix Breakpoints Not Hitting in VSCode Python
Antivirus Blocking Chrome Extensions? Fix It
How to Resolve Git SSL Certificate 'Unable to Get Local Issuer'
Fix Connection Reset Error on Certain Websites
Fix Explorer Crashing with System File Checker
How to Stop Windows 11 Update Rollback After Blue Screen
How to Fix GitHub Authentication Failed in VS Code
VS Code Save Permission Error Fix
Git index.lock Error: How to Fix It
Why Your Cloudflare Wildcard Page Rule Isn't Working
Setup.py Dependency Conflict Troubleshooting
Fix Breakpoints Not Hitting in VSCode Python
Antivirus Blocking Chrome Extensions? Fix It
How to Resolve Git SSL Certificate 'Unable to Get Local Issuer'