-new- Acpi Msft0101 Driver 77 2021 Official

That sounds like a (e.g., from driver update tools like Driver Booster, Driver Easy, etc.).

. This device is often labeled as the "Security Processor" in Windows. kb.stonegroup.co.uk

Users who installed the reported:

It sounds like you have encountered a system device labeled showing an error or missing driver, often associated with the number "77" in hardware IDs.

The device ID refers to the Intel Platform Trust Technology (PTT) , which is the firmware-based implementation of a Trusted Platform Module (TPM) 2.0 found on Intel Skylake and newer motherboards. -NEW- Acpi Msft0101 Driver 77 2021

: Ensuring stable TPM 2.0 support, which is a hard requirement for the Windows 11 operating system.

, which made a functional TPM 2.0 (MSFT0101) a strict system requirement. Ask Ubuntu ACPI BIOS - Windows drivers - Microsoft Learn That sounds like a (e

Before we discuss the new driver, let's break down the name.