Problem is resolved by deleting the file found in this folder: Programs\Steam\steamapps\common\Mount & Blade II Bannerlord\Modules\SandBox\ModuleData\Languages\CN
I report a problem many people already brought up but I want to let you know what I have already tested:
The Problem: Bannerlord opens with a White Screen and the custom cursor, then after a while I see the loading screen and I see the Load Symbol in the lower right corner. After a few seconds...