Fix ERR_CERT_AUTHORITY_INVALID in Chrome
When Chrome shows ERR_CERT_AUTHORITY_INVALID, it means the browser cannot verify...
Software troubleshooting desk
Practical fixes for tool errors, setup blocks, and workflow issues.
Symptom
Cause
Fix route
Verify
Fresh repair notes
All notesHow to Change PowerShell Execution Policy to Unrestricted
If you see errors like “.ps1 cannot be loaded because running scripts is disabled on this sys...
PowerShell Log File Location Not Working: Fixes & Checks
You've set up PowerShell logging—maybe transcription or script block logging—but the log files ar...
Fix Windows Update Error 0x80070002 (Pending Install Not Working)
If you see error 0x80070002 when trying to install Windows updates that are stuck on "pending ins...
Fix Windows Security Network Error 0x800704cf
When you open Windows Security and see error 0x800704cf, it usually means the app can't reach its...
Microsoft Teams Network Error Troubleshooting Guide
You're in a meeting or trying to send a message, and suddenly Teams shows a network error. This g...
Issue queue
SitemapHow to Fix Microsoft Teams Microphone Not Working on Windows 10
Windows Security Version Mismatch Fix
How to Resolve Authentication Failed in CMD Windows 10
Chrome 404 Error Troubleshooting Guide
VS Code Won't Select Python Interpreter – Troubleshooting Guide
Troubleshooting Certbot Renewal Failed Due to Nginx
How to Resolve Chrome Rate Limit Permission Denied
Resolving Docker BuildKit Cache Failures
Chrome Extension Sync Not Working Permission Denied Fix
Fix Network Errors in Command Prompt: Practical Guide
Microsoft Teams Network Configuration Setup Guide
Fixing Chrome Profile Errors Step by Step
Windows Security Version Mismatch Fix
How to Resolve Authentication Failed in CMD Windows 10
Chrome 404 Error Troubleshooting Guide
VS Code Won't Select Python Interpreter – Troubleshooting Guide
Troubleshooting Certbot Renewal Failed Due to Nginx
How to Resolve Chrome Rate Limit Permission Denied
Resolving Docker BuildKit Cache Failures
Chrome Extension Sync Not Working Permission Denied Fix
Fix Network Errors in Command Prompt: Practical Guide
Microsoft Teams Network Configuration Setup Guide
Fixing Chrome Profile Errors Step by Step