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domboy's avatar
domboy
4 years ago

Re: How do I fix "Launch Error Unsupported host machine architecture. (ARM64)?"

@mb_lbj23 I get this message on pretty much any game using Epic's Unreal game engine. It's very frustrating they put in an architecture check which basically invalidates the x64 emulation in Windows 11. I haven't found a way to get these games to ignore the check. There are plenty of other games that will run that are Intel 64-bit. I'm on a Surface Pro X so it's definitely not a M1 via Parallels issue.

4 Replies

  • VanillaWondr's avatar
    VanillaWondr
    4 years ago
    @domboy Thank you for the input. I wonder if that is a limitation of Unreal, but I would be very surprised if it actually is.
  • Mr_PANCAKE54's avatar
    Mr_PANCAKE54
    4 years ago
    @domboy have you found any way around this check yet? im on a surface pro x as well and just cant seem to play anygame I want.
  • domboy's avatar
    domboy
    4 years ago
    @Mr_PANCAKE54 wrote:
    @domboyhave you found any way around this check yet? im on a surface pro x as well and just cant seem to play anygame I want.

    No, I unfortunately have not. The check is still in place, and no amount of fiddling with the emulation settings results in being able to hide the architecture from being detected. I was hoping the new Unreal engine would fix this, but EPIC has not seen fit to allow ARM CPUs to play games based on their engine. Really annoying. Compounding the problem is some of the games I've tried use Battleye, and that also crashes. Their support doesn't even respond.

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