Some GamePass games are compiled as Universal Windows Platform apps instead of ‘classic’ Win32 programs. UWP apps run in a secure sandbox and are protected against hooking into them. Haven’t checked whether that’s the case for RE7 on GamePass yet, but this might be the issue here.
Another potential issue is that the GamePass version might use a different .exe name. vorpX expects it to be named re7.exe. Would be great if you could check whether that’s the case, and let me know if the name is different.
Apart from the above there always also is the chance of a conflict with some other program on your PC, of course. In that regard please check the pinned trouble shooting post on top of this sub forum.