Intel's abandonment of SGX blocks Ultra HD Blu-ray playback on PCs

Intel has removed the security feature SGX from 11th generation and newer processors. The thing is, this feature is one of the requirements for playing Ultra HD Blu-ray discs on your computer system.

Ultra HD Blu-Ray format, commonly known as 4K Ultra HD or 4K Blu-Ray, supports 4K UHD playback with a pixel resolution of 3840x2160 .

One of the requirements for playing UHD Blu-ray discs on a PC is that the installed processor and motherboard firmware support SGX. The Blu-ray Disc Association defines DRM requirements for Ultra HD Blu-ray Disc playback. In addition to SGX, playback is protected by HDCP 2.2 and AACS 2.0, with some discs using AACS 2.1.

Intel Software Guard Extensions (SGX) "Allows user-level as well as operating system code to define private memory regions called enclaves, whose contents are protected from being read or saved by any process outside the enclave itself, including Processes run at a higher privilege level according to Wikipedia.

##Data for Intel 11th and 12th Generation Core Desktop Processors The table lists Intel Software Guard Extensions as a deprecated technology.

Due to missing requirements, PC users of devices using 11th generation or newer Intel processors cannot play UHD Blu-ray discs on these devices.

Cyberlink, the maker of popular DVD and Blu-ray playback software, posted an FAQ entry on its website confirming the issue.

SGX-capable The removal and its compatibility with the latest Windows operating systems and drivers has created significant challenges for CyberLink to continue to support UHD Blu-ray movie playback in our player software. So much so that CyberLink has determined Support for Ultra HD Blu-ray playback on newer CPUs and the latest Windows platforms is no longer possible.

The company recommends users to stick with older Intel processors, Intel 7th generation to be precise to 10th generation processors, as these processors support SGX functionality and ensure that Ultra HD Blu-ray discs can be played on the device. Cyberlink further advises users not to update their devices to the latest version of Windows, Windows 11, or Update Intel drivers as these may remove SGX functionality in the driver.

It is best to back up your system and test driver updates to see if UHD Blu-ray playback is still supported.

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