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

Fix Windows Search Token Expired Error 0x80090016

If you see the error “Windows Search Token Expired” with code 0x80090016, it usually means the se...

Fix Windows Activation Stuck on Loading Screen

You restart your PC to activate Windows, but the activation screen hangs on a spinning circle or ...

Fix Windows Activation Invalid Configuration Error

You see a message that your Windows activation is invalid due to a configuration problem. This us...

Fix Windows Search SSL Certificate Error via Registry

If you see an SSL certificate error when using Windows Search (e.g., searching in Outlook or File...

Java JDK Not Recognized After Installation: Fixes and Checks

Fix Windows Search Authentication Failed After Password Change

After changing your Windows password, you may see an error like “Windows Search authentication fa...