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  1. #1

    grw.exe stuck on ONE THREAD (affinity), "Idle" Priority Class, Very low I/O priori

    Hi Ubisoft,

    Would you please enlighten a user that just bought 2 ultimate editions of your games in the last 3 days why Ghost Recon Wildlands insists on running on one thread only and with the lowest Priority Class (Idle) and I/O Priority (Very low) possible in Windows 10 and doesn't let me change that - not in Task Manager, not in Process Lasso, so that I can actually play it? I waited for about 10 minutes for the main menu to load on 1 thread instead of 8, but after the third time, my patience ran out and I thought of letting you know..

    I've done a few searching on the Ubisoft forums for this, and yes, I know this is an anti-cheat measure. I understand it's for our enjoyment of the game, but when such a measure actually manages to achieve the opposite - keep one from actually enjoying it, some might call it a fail. A big one.

    I see other users post about this for other games as well, but fail to receive a simple acknowledgement after months or even.. years?

    https://forums.ubisoft.com/showthrea...light=affinity
    https://forums.ubisoft.com/showthrea...light=affinity

    This being said, would you be kind enough to tell me how I can alter the CPU Affinity/Priority class/IO Priority of the game's executable called GRW.exe (there's 2 of them launching in sequence when you launch the game), the one that you CAN'T alter these 3 items for using Task Manager/Process Lasso/Prio?

    Much appreciated.

    Best regards.
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  2. #2
    Ubi-Raziel's Avatar Ubisoft Support Staff
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    Jan 2019
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    Originally Posted by jonelsorel Go to original post
    Hi Ubisoft,

    Would you please enlighten a user that just bought 2 ultimate editions of your games in the last 3 days why Ghost Recon Wildlands insists on running on one thread only and with the lowest Priority Class (Idle) and I/O Priority (Very low) possible in Windows 10 and doesn't let me change that - not in Task Manager, not in Process Lasso, so that I can actually play it? I waited for about 10 minutes for the main menu to load on 1 thread instead of 8, but after the third time, my patience ran out and I thought of letting you know..

    I've done a few searching on the Ubisoft forums for this, and yes, I know this is an anti-cheat measure. I understand it's for our enjoyment of the game, but when such a measure actually manages to achieve the opposite - keep one from actually enjoying it, some might call it a fail. A big one.

    I see other users post about this for other games as well, but fail to receive a simple acknowledgement after months or even.. years?

    https://forums.ubisoft.com/showthrea...light=affinity
    https://forums.ubisoft.com/showthrea...light=affinity

    This being said, would you be kind enough to tell me how I can alter the CPU Affinity/Priority class/IO Priority of the game's executable called GRW.exe (there's 2 of them launching in sequence when you launch the game), the one that you CAN'T alter these 3 items for using Task Manager/Process Lasso/Prio?

    Much appreciated.

    Best regards.
    Hello, thank you for contacting us regarding this!

    This is as you say a limitation of the anti-cheat solution, as it could open the game up to more cheats.

    My understanding however is that the game should still be able to use all of your CPU's cores and threads, otherwise the game would run horribly.

    Can you please confirm if this is only during the game's startup, or any time during gameplay? Are you always restricted to 1 thread?

    Please let me know if I am misunderstanding. Thank you!
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