Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Fix Docker Desktop Engine Stopped Error Code 0
If Docker Desktop shows "Engine Stopped" with error code 0, the application thinks the Do...
Fix Git Pull Unrelated Histories Error: Step-by-Step
You run git pull and see: fatal: refusing to merge unrelated histories....
Chrome Extensions Not Loading on Windows 10: Quick Fixes
If your Chrome extensions suddenly stop loading or appear grayed out on Windows 10, it's usua...
Python Requests: Connection Timeout vs Read Timeout
When using the Python requests library, you might encounter situations where a reque...
Fix Windows Search Index Exclude Folder Not Working
If you've added a folder to the exclusion list in Windows Search indexing options but files f...
Issue queue
SitemapDocker Mount Permission Denied Root Error Guide
Using pipx When pip Says Externally Managed Environment
Windows Update Error 0x80070005: Registry Permissions Fix
DNS_PROBE_FINISHED_NXDOMAIN: ipconfig flushdns Not Working
Fix Python Requests Hanging with Timeout Example
Port Already Allocated in Docker Compose
How to Disable Shell Extensions to Stop Explorer Restarting
How to Force Default Value in Docker Compose Env
Fix Docker Volume Permission Denied chown Errors
Fix Git Clone Timeout in VS Code: Practical Steps
How to Fix npm Permission Denied on node_modules
Windows Indexing Configuration Guide
Using pipx When pip Says Externally Managed Environment
Windows Update Error 0x80070005: Registry Permissions Fix
DNS_PROBE_FINISHED_NXDOMAIN: ipconfig flushdns Not Working
Fix Python Requests Hanging with Timeout Example
Port Already Allocated in Docker Compose
How to Disable Shell Extensions to Stop Explorer Restarting
How to Force Default Value in Docker Compose Env
Fix Docker Volume Permission Denied chown Errors
Fix Git Clone Timeout in VS Code: Practical Steps
How to Fix npm Permission Denied on node_modules
Windows Indexing Configuration Guide