Problem With Steam Platform

Sandboxie version: 5.31.6

Windows Version: 8.1 x64 professional

No antivirus / firewall ( only windows defender )

 

Hi! From the last update of steam, steam is crashing when I lauch from sandboxie. I have tried with administrator priviledges and the same. I have reinstalling sandboxie, deleting the sandbox and a new one. Reinstalling OS. And the same, always crashing in some minutes later once started.

Without adminitrator rights:

And when I launch with adminitrator rights, the steam close with any errors.

Any help will be much appreciate