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 notesHow to Fix Git Merge Conflict Permission Denied Errors
You're in the middle of a git merge, and instead of the usual conflict markers, you see
Windows 11 Update Stuck at 0%? Run System File Checker First
If your Windows 11 update is stuck at 0% for more than 30 minutes, corrupted system files are a c...
Fixing Node Version Conflicts with Global Packages
When you run a globally installed npm package and get an error about incompatible Node.js version...
Fix Windows Update Error 0x80070002: Repair Steps
Windows Update error 0x80070002 usually means the system can't find a required file. This oft...
Chrome Startup Crash with No Error Message: Fixes That Work
Chrome crashes on startup with no error message—just a sudden close or a frozen window. This ofte...
Issue queue
SitemapHow to Diagnose and Fix Chrome Memory Leaks
How to Fix SSL Certificate Error in Chrome Caused by Antivirus
Git Clone SSH Timeout Troubleshooting
Fix VSCode Permission Denied on Save in Linux
Repair Corrupt Windows Search Index Database
Git SSL Certificate Problem Unable to Get Local Issuer Fix
Cloudflare 521 Error: Origin Server Unreachable Fix
Fix Windows 11 Blue Screen After Update with Clean Boot
Docker Desktop Engine Stuck After Update
VS Code Source Control Not Detecting Changes After Git Reinstall
How to Use Chrome's Built-in Memory Cleanup Tool
Cloudflare DNS Propagation: How to Confirm
How to Fix SSL Certificate Error in Chrome Caused by Antivirus
Git Clone SSH Timeout Troubleshooting
Fix VSCode Permission Denied on Save in Linux
Repair Corrupt Windows Search Index Database
Git SSL Certificate Problem Unable to Get Local Issuer Fix
Cloudflare 521 Error: Origin Server Unreachable Fix
Fix Windows 11 Blue Screen After Update with Clean Boot
Docker Desktop Engine Stuck After Update
VS Code Source Control Not Detecting Changes After Git Reinstall
How to Use Chrome's Built-in Memory Cleanup Tool
Cloudflare DNS Propagation: How to Confirm