Knowledge base for software setup, errors, and daily tool work.

Fix Windows Security DNS Error Blocking Internet Access

If your internet stops working and you see a Windows Security DNS error, it usually means the DNS...

Fix Microsoft Teams Modern Authentication Failure

When Microsoft Teams shows 'We couldn't sign you in' or 'unable to authenticate with modern authe...

Fix Windows Search 'Too Many Requests' Rate Limit Error

If you’ve seen “Too many requests” or “Rate limit exceeded” while using Windows Search, you’re no...

How to Restore Chrome Profile After a Crash

Symptoms of a Corrupted Chrome Profile

After a browser crash, you might see errors like '...

Fix Windows Store Error 0x80073cf9 During Installation

Windows Store error 0x80073cf9 typically appears when you try to install or update a...

Fix PowerShell 404 Not Found on GET Requests

When you run a PowerShell Invoke-RestMethod or Invoke-WebRequest with t...