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 notesWindows 11 Installation Assistant Stuck at 99% Due to Antivirus
You're running the Windows 11 Installation Assistant, it gets to 99%, and then just sits ther...
Git Merge Unrelated Histories with Conflicts: How to Resolve
You try to merge two git branches and get an error like fatal: refusing to merge unrelated ...
Fix Nginx 502 Bad Gateway with Docker Socket
You have an Nginx container proxying requests to another container via the Docker socket, and you...
Fix Git SSL Certificate Problem: Unable to Get Local Issuer
When Git reports SSL certificate problem: unable to get local issuer certificate, it...
Fix Docker Volume Permission Denied on Windows
If you see "permission denied" errors when mounting a volume in Docker on Windows, the is...
Issue queue
SitemapHow to Solve Node.js Heap Out of Memory in PM2
Troubleshoot 502 Bad Gateway in Docker Nginx
Cloudflare Wildcard Record: Setup and Troubleshooting
How to Fix 'nginx configuration test failed'
Windows 11 Installation Assistant Hangs at 99% – Antivirus Fix
How to Fix Cloudflare 522 Error (Firewall Blocking)
Chrome Extensions Configuration Not Loading Fix
Troubleshooting Microsoft Edge Sync Error 0x80072efd
Fix Firefox Secure Connection Failed Due to Proxy Settings
Fix npm Permission Denied by Changing Prefix
Fix Cloudflare Origin Certificate with Let's Encrypt
Stop Antivirus from Causing Chrome Connection Reset Errors
Troubleshoot 502 Bad Gateway in Docker Nginx
Cloudflare Wildcard Record: Setup and Troubleshooting
How to Fix 'nginx configuration test failed'
Windows 11 Installation Assistant Hangs at 99% – Antivirus Fix
How to Fix Cloudflare 522 Error (Firewall Blocking)
Chrome Extensions Configuration Not Loading Fix
Troubleshooting Microsoft Edge Sync Error 0x80072efd
Fix Firefox Secure Connection Failed Due to Proxy Settings
Fix npm Permission Denied by Changing Prefix
Fix Cloudflare Origin Certificate with Let's Encrypt
Stop Antivirus from Causing Chrome Connection Reset Errors