Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10
You're browsing in Chrome or Edge and see NET::ERR_CERT_AUTHORITY_INVALID. T...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Chrome Hardware Acceleration Black Screen in Windows 11
If Chrome shows a black screen on Windows 11, especially after an update or when playing video, h...
Fix 'Permission Denied' When Running pip install --user
When you run pip install --user somepackage and get a Permission denied...
How to Fix Black Screen After Enabling Hardware Acceleration in Chrome
You enable hardware acceleration in Chrome to improve performance, and suddenly the screen goes b...
Fix npm install Incompatible Node Version Errors
When you run npm install and get an error about an incompatible Node.js version, it ...
Docker Container Exits Immediately After Start: Network Fixes
You start a Docker container and it exits right away. The container logs show no errors, or the e...
Issue queue
SitemapWindows Security App Not Opening: Practical Fixes
Windows 11 Blue Screen After Cumulative Update: Fixes That Work
Resolve Cloudflare 522 Timeout Due to Firewall
Fix Docker Compose Shell Variable Not Working
Windows Update Caused Taskbar Icons to Vanish – Solutions
Resolving Windows Update Error 0x80070005 and SFC Scan Failures
Resolving 'Unable to Get Local Issuer Certificate' in Git
Fix Windows Update Service Not Running After SFC Scan
Docker WordPress Permission Denied Fix
How to Fix VS Code Permission Denied on Windows 11
Troubleshooting Cloudflare 522: Connection Timeout
Resolve 'Remote Origin Already Exists' in Git Clone
Windows 11 Blue Screen After Cumulative Update: Fixes That Work
Resolve Cloudflare 522 Timeout Due to Firewall
Fix Docker Compose Shell Variable Not Working
Windows Update Caused Taskbar Icons to Vanish – Solutions
Resolving Windows Update Error 0x80070005 and SFC Scan Failures
Resolving 'Unable to Get Local Issuer Certificate' in Git
Fix Windows Update Service Not Running After SFC Scan
Docker WordPress Permission Denied Fix
How to Fix VS Code Permission Denied on Windows 11
Troubleshooting Cloudflare 522: Connection Timeout
Resolve 'Remote Origin Already Exists' in Git Clone