Fix Nginx 502 Bad Gateway: Upstream Connection Refused
If you're seeing a 502 Bad Gateway error with "upstream connection refused" in your N...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix VS Code Permission Denied When Not Admin
You try to save a file or install an extension in VS Code, and get a "permission denied" ...
Fix Windows Update Service Not Running with DISM Restore Health
You try to run DISM /Online /Cleanup-Image /RestoreHealth and get an error saying th...
Fix Windows Explorer Restarting After Crash
If Windows Explorer (explorer.exe) crashes and then keeps restarting, you may see the desktop fla...
Windows 11 Taskbar Icons Missing? Fixes That Actually Work
You boot up Windows 11 and notice the taskbar icons are gone—no Start button, no search, no syste...
How to Fix Python Dependency Conflicts in a Virtual Environment
You activate your virtual environment, run pip install, and get an error about conflicting depend...
Issue queue
SitemapFirefox Secure Connection Failed Fix with VPN
Fix Git Clone Connection Timed Out After 30 Seconds
Fix Docker Build Canceled During Context Upload
Fix VS Code Git Not Detecting Changes After .gitignore Update
Chrome Black Screen with Nvidia GPU: Hardware Acceleration Fix
Python Not Recognized as Internal or External Command Fix
Wildcard Subdomain Cloudflare Troubleshooting
Node.js Breakpoints Not Hitting in VS Code Debugger
How to Fix Git Non-Fast-Forward Rejection
RDP Setup Guide: 10 Steps for Windows
How to Fix ERR_NAME_NOT_RESOLVED in Chrome
Stop Chrome Crash on Startup Due to Malware
Fix Git Clone Connection Timed Out After 30 Seconds
Fix Docker Build Canceled During Context Upload
Fix VS Code Git Not Detecting Changes After .gitignore Update
Chrome Black Screen with Nvidia GPU: Hardware Acceleration Fix
Python Not Recognized as Internal or External Command Fix
Wildcard Subdomain Cloudflare Troubleshooting
Node.js Breakpoints Not Hitting in VS Code Debugger
How to Fix Git Non-Fast-Forward Rejection
RDP Setup Guide: 10 Steps for Windows
How to Fix ERR_NAME_NOT_RESOLVED in Chrome
Stop Chrome Crash on Startup Due to Malware