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 notesFix PowerShell High CPU Usage with Permission Denied Errors
You open Task Manager and see PowerShell consuming a high percentage of CPU. At the same time, yo...
Fix OneDrive Sync Not Working on Windows 10
If OneDrive stops syncing on Windows 10, you might see a stuck status, error messages, or files n...
Fix Windows Terminal Version Mismatch Errors
You open Windows Terminal and see an error about a version mismatch between the terminal app and ...
Fix RDP 504 Gateway Timeout via IIS Configuration
If you're seeing a 504 Gateway Timeout when connecting to Remote Desktop via an RD Gateway that u...
How to Reactivate an Expired Windows License
If you see a "Windows license expired" or "Windows activation required" watermark, your copy of W...
Issue queue
SitemapFix Windows Security DNS Error Not Working
Fix Microsoft Teams Not Opening After Update
Resolve Windows Search Dependency Conflict and Sync Problems
OneDrive Processing Changes Mac Troubleshooting
Resolve Windows Update 0x80070002
How to Fix PowerShell Network Path Not Found
How to Fix Error 0x80090016 on Windows
How to Set Up OneDrive Selective Sync on Mac
How to Fix Chrome Profile Path Not Found After Update
Resolve 502 Bad Gateway in Microsoft Store by Clearing Cache
Command Prompt Not Loading? Try These Fixes
Windows 7 Chrome Not Installing? Try These Fixes
Fix Microsoft Teams Not Opening After Update
Resolve Windows Search Dependency Conflict and Sync Problems
OneDrive Processing Changes Mac Troubleshooting
Resolve Windows Update 0x80070002
How to Fix PowerShell Network Path Not Found
How to Fix Error 0x80090016 on Windows
How to Set Up OneDrive Selective Sync on Mac
How to Fix Chrome Profile Path Not Found After Update
Resolve 502 Bad Gateway in Microsoft Store by Clearing Cache
Command Prompt Not Loading? Try These Fixes
Windows 7 Chrome Not Installing? Try These Fixes