Chrome Certificate Error Invalid Authority: Diagnosis Checklist
When Chrome shows NET::ERR_CERT_AUTHORITY_INVALID and refuses to load a site, it...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Security App Not Opening Command Prompt
You click the Windows Security icon or try to launch it from Settings, but nothing happens. Or pe...
Fix Git 'index.lock' Error in VS Code
If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...
Fix Chrome Extensions Not Loading Configuration
You install a Chrome extension, configure it carefully, and then—nothing. The extension icon is g...
Fix VSCode Terminal 'Permission Denied' on Windows
If you see 'permission denied' in the VSCode integrated terminal on Windows, it's usu...
Chrome Keeps Crashing After Reset? Try These Fixes
You reset Chrome hoping to fix a nagging problem, but now the browser crashes on startup—sometime...
Issue queue
Sitemapnode-sass build failed: Python not found troubleshooting
Python Dependency Hell in Docker: A Practical Guide
Non Fast Forward Error Troubleshooting
How to Fix Nginx Configuration Test Failed on Ubuntu
Ethernet No Internet Access on Windows 11 – Troubleshooting
Resolving Git SSL Certificate Error: Local Issuer Not Found
How to Break the Windows Explorer Automatic Repair Cycle
VS Code Terminal Won't Open Troubleshooting Guide
VS Code Permission Denied Error Windows 11 Fix
How to Setup Cloudflare Origin Certificate for Nginx
How to Handle Non-Fast-Forward Upstream
Troubleshooting Docker Private Repository Access
Python Dependency Hell in Docker: A Practical Guide
Non Fast Forward Error Troubleshooting
How to Fix Nginx Configuration Test Failed on Ubuntu
Ethernet No Internet Access on Windows 11 – Troubleshooting
Resolving Git SSL Certificate Error: Local Issuer Not Found
How to Break the Windows Explorer Automatic Repair Cycle
VS Code Terminal Won't Open Troubleshooting Guide
VS Code Permission Denied Error Windows 11 Fix
How to Setup Cloudflare Origin Certificate for Nginx
How to Handle Non-Fast-Forward Upstream
Troubleshooting Docker Private Repository Access