Fix Nginx Upstream Connection Refused Behind Cloudflare
If you see upstream connection refused in your Nginx error logs while using Cloudfla...
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 Chrome Using 100% Memory on Windows and Mac
You open Chrome, and your computer slows to a crawl. Task Manager shows Chrome using 100% memory....
How to Fix Edge Sync Not Working on Windows 11
If your Microsoft Edge browser has stopped syncing bookmarks, passwords, or settings across devic...
Fix Nginx Upstream Connection Refused in Docker
You have Nginx running, either on the host or in a container, proxying to another Docker containe...
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...
How to Fix Cloudflare Origin Certificate Validation Failed
If you see a "validation failed" error when setting up or using a Cloudflare Origin Certi...
Issue queue
SitemapWindows Defender Real-Time Protection Won't Turn On – Fix Guide
Git Unrelated Histories Error: How to Fix
Windows 10 Taskbar Icons Not Clicking: How to Fix
Troubleshooting Python Virtual Environment Activation Failure
Cloudflare SSL Full Strict Not Working? Try These Fixes
Reset Docker Desktop Engine Without Losing Data
Chrome Sync Broken After Password Change: How to Fix
Checklist for Fixing Windows Search Indexing
Android Chrome ERR_CONNECTION_RESET Troubleshooting Guide
How to Resolve Git Non Fast Forward Push Rejection
Fix Docker Engine Not Starting After Update
VS Code Debugger Ignores Express Breakpoints
Git Unrelated Histories Error: How to Fix
Windows 10 Taskbar Icons Not Clicking: How to Fix
Troubleshooting Python Virtual Environment Activation Failure
Cloudflare SSL Full Strict Not Working? Try These Fixes
Reset Docker Desktop Engine Without Losing Data
Chrome Sync Broken After Password Change: How to Fix
Checklist for Fixing Windows Search Indexing
Android Chrome ERR_CONNECTION_RESET Troubleshooting Guide
How to Resolve Git Non Fast Forward Push Rejection
Fix Docker Engine Not Starting After Update
VS Code Debugger Ignores Express Breakpoints