First, go to C:\Users\YOUR_ACCOUNT_NAME\AppData\LocalLow\Obsidian Entertainment\Pillars of Eternity II and delete a folder and file:

If you don't know how to create Firewall rules, you can use Google or follow this guide: https://www.howtogeek.com/227093/how-to-block-an-application-from-accessing-the-internet-with-windows-firewall/

Bingo! ****ty News tab is gone:

 

Edited May 17, 20196 yr by Phenomenum

Updated initial post. Now a 100% working cure.