Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused
Checklists for software errors, setup, and tool workflows.
1. Reproduce
2. Isolate
3. Apply
4. Verify
Latest checklists
View listHow to Clear Edge Sync Cache and Resolve Sync Issues
If your Microsoft Edge browser is not syncing bookmarks, passwords, or settings correctly, the sy...
Fix Chrome Memory Spikes When Watching Videos
You're watching a video in Chrome, and suddenly the system slows down, fans spin up, or tabs ...
Fixing Nginx 502 Bad Gateway in Docker WordPress Setups
If you're running WordPress in Docker behind an Nginx reverse proxy, a 502 Bad Gateway error ...
Fix 'Windows Cannot Access Shared Folder' Credential Errors
When you try to open a shared folder from another computer and see 'Windows cannot access'...
How to Fix Chrome Startup Crash by Disabling Extensions
If Chrome crashes as soon as you open it, a misbehaving extension is often the culprit. Extension...
Topic paths
Quick titles
Taskbar Icons Missing After Windows Update: How to Restore ThemResolve Error 0x80070005 with Ownership and PermissionsHow to Fix Node.js Heap Out of Memory Error Code 134How to Fix Firefox Proxy Secure Connection ErrorHow to Fix Nginx Permission Denied ErrorsHow to Stop Docker Build Context Canceled ErrorsResolve npm run build TypeScript ErrorsHow to Use Compatibility Mode to Fix Windows 11 Blue Screen