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

Manually Download and Fix Windows Update Error 0x80070002

You see error 0x80070002 when checking for updates. It usually means Windows Update can't fin...

Fix NET::ERR_CERT_AUTHORITY_INVALID on Windows 10

You're browsing in Chrome or Edge and see NET::ERR_CERT_AUTHORITY_INVALID. T...

Fix Windows Update Error 0x80070005 by Taking Ownership

What Causes Error 0x80070005?

This error usually means Windows Update doesn't have pe...

Chrome Startup Crash with No Error Message: Fixes That Work

Chrome crashes on startup with no error message—just a sudden close or a frozen window. This ofte...

Fix Windows Search Indexing High CPU Usage

If your computer's fan spins up and Task Manager shows Windows Search using a lot of CPU, the...

Fix Windows 11 Installation Assistant Stuck at 99%

You're running the Windows 11 Installation Assistant, it reaches 99%, and then nothing happen...