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 Remote Desktop Connection Blocked by Firewall
When you try to connect to a remote PC using Remote Desktop (RDP) and get an error like “Remote D...
Fixing Cloudflare 522 Error: CDN Configuration Steps
If you see a 522 Connection Timed Out error from Cloudflare, it means your CDN (...
Cloudflare DNS Not Updating After Change: Fixes That Work
You change a DNS record in Cloudflare, wait, and the old IP still resolves. This is a common frus...
How to Fix ERR_CONNECTION_RESET in Chrome Safe Mode
If you're seeing ERR_CONNECTION_RESET in Chrome, it usually means the connection...
DNS Probe Finished NXDOMAIN: Internet Connection but No Browsing Fix
You see the error 'DNS probe finished NXDOMAIN' on Chrome or other browsers, yet your int...
Issue queue
SitemapRemote Desktop Not Working After Wake: Troubleshooting Guide
How to Fix Node Version Mismatch When Running npm run build
VS Code Source Control Not Showing Changes
Resolve Git Authentication Error in VS Code (Linux)
How to Fix Docker Nginx 502 with Multiple Containers
Docker Access Denied to Repository: Troubleshooting Guide
Taskbar Icons Missing but Programs Running – Fix Guide
Taskbar Icons Disappeared After Uninstall – Quick Fixes
Node.js Breakpoints Not Hitting in VS Code Debugger
Fix Python Virtual Environment Not Working Windows 10
Fix Firefox Secure Connection Failed Error
Docker Python Package Install Permission Error
How to Fix Node Version Mismatch When Running npm run build
VS Code Source Control Not Showing Changes
Resolve Git Authentication Error in VS Code (Linux)
How to Fix Docker Nginx 502 with Multiple Containers
Docker Access Denied to Repository: Troubleshooting Guide
Taskbar Icons Missing but Programs Running – Fix Guide
Taskbar Icons Disappeared After Uninstall – Quick Fixes
Node.js Breakpoints Not Hitting in VS Code Debugger
Fix Python Virtual Environment Not Working Windows 10
Fix Firefox Secure Connection Failed Error
Docker Python Package Install Permission Error