Fixing Nginx Upstream Connection Refused and Permission Denied
If you see connect() failed (111: Connection refused) or connect() failed (13:...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Enable Windows Defender Real-Time Protection in Windows 10
If Windows Defender real-time protection is off, your PC is more vulnerable to malware. You may s...
Fix Nginx 502 Bad Gateway with Docker Environment Variables
If you see a 502 Bad Gateway from nginx running in Docker, it usually means ngin...
Windows 11 Installation Assistant Stuck at 99% After Restart
You've run the Windows 11 Installation Assistant, it reached 99% after restart, and now it...
Fix VS Code Terminal Not Working After Update
After a VS Code update, the integrated terminal may fail to start, show a blank window, or displa...
Chrome Extensions Not Loading After Update: Common Fixes
After a Chrome update, you might find that extensions are missing, grayed out, or simply not work...
Issue queue
SitemapEdge Sync Setup for Work or School Accounts
Docker Compose Environment Variable from Shell Not Working: Fixes
Nginx Upstream Directive Test Failure Fix
Resolving index.lock Exists Error in VS Code
Troubleshoot VS Code Git Permission Denied Error
Fix Git Lock File Not Deleted After Crash
VS Code Breakpoint Greyed Out: Causes and Solutions
How to Solve Python Dependency Conflicts with Poetry
Fix npm install Permission Denied Without Sudo
Resolve UnicodeDecodeError When Reading Input in Python
Best Practices for Python Requests Timeout Configuration
Windows 11 Update Stuck at 0%: How to Fix with Troubleshooter
Docker Compose Environment Variable from Shell Not Working: Fixes
Nginx Upstream Directive Test Failure Fix
Resolving index.lock Exists Error in VS Code
Troubleshoot VS Code Git Permission Denied Error
Fix Git Lock File Not Deleted After Crash
VS Code Breakpoint Greyed Out: Causes and Solutions
How to Solve Python Dependency Conflicts with Poetry
Fix npm install Permission Denied Without Sudo
Resolve UnicodeDecodeError When Reading Input in Python
Best Practices for Python Requests Timeout Configuration
Windows 11 Update Stuck at 0%: How to Fix with Troubleshooter