Halo 3 custom games "untrusted File"

Games Halo: The Master Chief Collection
1

Whenever I try to play a game with custom settings, the game keeps saying the game mode is an “untrusted file”. This is only in halo 3.

2

This is a known issue OP and will be fixed in a future update
https://support.halowaypoint.com/hc/en-us/articles/360052515111-Halo-The-Master-Chief-Collection-MCC-Global-Known-Issues

> - Important: An “Untrusted File” prompt appears when playing another player’s Custom Game Browser session. This warning is false and harmless. It will be fixed so it doesn’t always display in a future update.

3

> 2533274813317074;2:
> This is a known issue OP and will be fixed in a future update
> https://support.halowaypoint.com/hc/en-us/articles/360052515111-Halo-The-Master-Chief-Collection-MCC-Global-Known-Issues
>
> > - Important: An “Untrusted File” prompt appears when playing another player’s Custom Game Browser session. This warning is false and harmless. It will be fixed so it doesn’t always display in a future update.

Thanks!