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Broadcom Bluetooth drivers and Win 11 22H2 security situation.


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It seems if you have Win 11 22H2 with certain Virtual security options enabled, such as Memory Integrity, there is has a problem with the Broadcom Bluetooth 4.1 drivers (BCM20703).  I am just wondering if there is or will be a replacement driver soon?  

I just reinstalled the Cosmos Elite on a clean system and it refused to install until I turned off Memory Integrity.   That driver is probably used by many of the headset installs.

Does anyone know if the newer headsets use a different Bluetooth driver?

Thanks for reading

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It is normal, since April 2018 update of Windows 10, to have Memory Integrity/Core Isolation enabled on new installs of Windows operating systems.  The btwusb.sys driver (mentioned in the OP) provided for HTC Vive and Vive Cosmos headsets prevents this setting from being enabled.  HTC has been made aware of this issue countless times since then.

Is there a reason why HTC expects me to spend hundreds of dollars for a VR headset and at the same time not provide an updated (read compatible) driver that conforms to the HVCI requirements that have been expected for the past four years?

 If I were to be infected with malware because of a BYOVD exploit because I was unable to implement the proper security measure will HTC reimburse my losses?  I think not.

I apologize for the somewhat unreasonable tone in this message, but I am seriously wondering why I must choose between enjoying my HTC VR device or having a secure computer.

While I would like to hope that HTC will provide a properly signed driver, I'm not going to hold my breath.

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  • 7 months later...
On 10/15/2022 at 4:56 AM, XanderF said:

HTC has been made aware of this issue countless times since then.

Is there a support request number for this? I'm going to chase this up now and update back with what I hear from support otherwise.

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