Error

[nyunyun]

how to fix this ?

 

[Prowler]

try reinstall in different folder, like
c:/games/rf/cerberus

also make sure window defender is disabled https://cerberus-games.com/threads/guide-how-to-disable-windows-defender.21695/

also install

https://download.microsoft.com/download/1/7/1/1718CCC4-6315-4D8E-9543-8E28A4E18C4C/dxwebsetup.exe