Fix ERR_CERT_AUTHORITY_INVALID on Localhost
When testing a local web app, you may see ERR_CERT_AUTHORITY_INVALID in Chrome or si...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesFix Windows Defender Real-Time Protection Not Running
You open Windows Security and see a yellow warning: "Real-time protection is off." Or you...
How to Force Enable Windows Defender Real-Time Protection
Windows Defender real-time protection sometimes gets disabled by group policies, third-party anti...
Restore Windows Defender Real-Time Protection After Malware Disables It
If your Windows Defender real-time protection has been turned off and you suspect malware is the ...
Fix 'Windows Cannot Access Shared Folder' Samba Error
You try to open a shared folder from a Linux Samba server on a Windows machine and get: 'Wind...
Fix VS Code IntelliSense Not Working in Workspace
When you open a workspace in VS Code and IntelliSense stops showing suggestions, it usually point...
Issue queue
SitemapRenew an Expired Cloudflare Origin Certificate: Step-by-Step
How to Fix Git Merge Conflicts in Binary Files
How to Fix Chrome Extensions That Won't Load
Fix Node Sass Build Failed: Sass Not Found
DNS Probe Finished NXDOMAIN Fix Guide
Fix Unresponsive Taskbar Icons in Windows 10
pnpm Store Path Setup Guide
How to Fix Shared Folder Access Credential Errors in Windows
Chrome Extensions Not Loading? Here's the Fix
Fix Chrome ERR_CONNECTION_RESET After Router Reboot
Chrome Sync Stops After Disabling Extensions: Fix
Fix Cloudflare Wildcard Subdomain SSL Not Working
How to Fix Git Merge Conflicts in Binary Files
How to Fix Chrome Extensions That Won't Load
Fix Node Sass Build Failed: Sass Not Found
DNS Probe Finished NXDOMAIN Fix Guide
Fix Unresponsive Taskbar Icons in Windows 10
pnpm Store Path Setup Guide
How to Fix Shared Folder Access Credential Errors in Windows
Chrome Extensions Not Loading? Here's the Fix
Fix Chrome ERR_CONNECTION_RESET After Router Reboot
Chrome Sync Stops After Disabling Extensions: Fix
Fix Cloudflare Wildcard Subdomain SSL Not Working