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Why does Oculus rift "poison" DirectX 9? RRS feed

  • Question

  • The new version of Oculus stops DirectX 9 apps from running after it is run once.  I must reboot my machine to get DirectX 9 services back.

    How to replicate the problem:
    1.Set LoTRO to run in DirectX 9 mode.
    2.Start LoTRO, it runs fine.
    3.Exit LoTRO
    4.Run Oculus app.
    5.Put on the Rift headset and view home
    6.Remove the headset
    7.Exit Oculus app (or not)
    8.Start LoTRO
    9.LoTRO startup will fail with message box DirectX 9 is unavailable
    10.Reboot machine
    11.Start LoTRO
    12.LoTRO runs fine in DirectX 9 mode

    This bug is reprehensible no vendor's software should ever disable another vendor's software.

                  Operating System: Windows 10 Pro 64-bit (10.0, Build 17134) (17134.rs4_release.180410-1804)
                   Processor: Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz (8 CPUs), ~4.2GHz
                   Memory: 32768MB RAM
                   Available OS Memory: 32720MB RAM
                   DirectX Version: DirectX 12
                   Card name: NVIDIA GeForce GTX 1070
                   Manufacturer: NVIDIA
                   Chip type: GeForce GTX 1070
                   Display Memory: 24455 MB
                   Dedicated Memory: 8096 MB
                   Shared Memory: 16359 MB

    Will Microsoft please look into this problem in the Oculus software?
    Friday, November 16, 2018 3:11 PM

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