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

Fixing Windows Security Connection Timeout Error 0x800705b4

If you see error code 0x800705b4 when opening Windows Security or trying to run a scan, it usuall...

How to Fix Chrome Browser Crashing on Windows

If Chrome keeps crashing on your Windows PC—freezing, closing unexpectedly, or showing the "Aw, S...

Fix Remote Desktop 502 Bad Gateway in Nginx

If you're seeing a 502 Bad Gateway error when trying to access Remote Desktop through an Nginx re...

How to Repair Corrupted Windows Terminal Settings

If Windows Terminal fails to launch or shows default settings instead of your custom ones, the se...

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 Defender Not Recognized' Error in Command Prompt