Nginx Upstream Connection Refused: Fixing localhost Errors
You set up an nginx reverse proxy to forward requests to a backend service on localhost, but ngin...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesChrome Sync Stuck on Waiting for Sync: Practical Fixes
You open Chrome, click the profile icon, and see the never-ending 'Waiting for sync' mess...
Fixing Docker Pull Access Denied in Docker Desktop
You try to pull a Docker image in Docker Desktop and see access denied. This usually...
Fix Firefox Secure Connection Failed Due to Proxy Settings
If you see "Secure Connection Failed" in Firefox and suspect a proxy is involved, you'...
Fix Cloudflare SSL Full Strict Certificate Mismatch Error
If you set Cloudflare SSL/TLS encryption mode to Full (strict) and see a certificate mismatch err...
Fix Windows Defender Real-Time Protection Stuck Off in Windows 11
You open Windows Security, see real-time protection is off, click the toggle, and it turns back o...
Issue queue
SitemapNginx Config Validation Before Reload
Windows 11 Installation Assistant Not Completing Setup: Fixes
How to Fix Port in Use Error Docker Compose
Windows 11 Blue Screen After Update: Recovery Guide
Second Monitor Taskbar Icons Not Showing? Try These Steps
How to Restart Windows Update Service in Windows 10
Chrome Extensions Not Loading from Web Store? Here's How to Fix
Resolving npm Build Errors from Missing Environment Variables
Git Push Rejected: Unrelated Histories Fix
How to Fix Git SSL Certificate Problem on Ubuntu
Cloudflare 525 Error: Origin SSL Certificate Fix
Git index.lock Error: Causes and Fixes
Windows 11 Installation Assistant Not Completing Setup: Fixes
How to Fix Port in Use Error Docker Compose
Windows 11 Blue Screen After Update: Recovery Guide
Second Monitor Taskbar Icons Not Showing? Try These Steps
How to Restart Windows Update Service in Windows 10
Chrome Extensions Not Loading from Web Store? Here's How to Fix
Resolving npm Build Errors from Missing Environment Variables
Git Push Rejected: Unrelated Histories Fix
How to Fix Git SSL Certificate Problem on Ubuntu
Cloudflare 525 Error: Origin SSL Certificate Fix
Git index.lock Error: Causes and Fixes