Microsoft has finally resolved a compatibility issue that prevented users with Dirac audio software from upgrading to Windows 11 24H2, removing the safeguard hold that blocked these updates for nearly nine months.

## The Problem

The compatibility issue, first acknowledged by Microsoft in December, affected systems running Dirac audio improvement software. Users experienced significant audio problems after attempting to upgrade, including:

– Malfunctioning Bluetooth headsets and speakers
– Non-functional integrated speakers
– Audio device detection failures
– Applications unable to recognize audio devices

The root cause was traced to the “cridspapo.dll” software component, which is part of the audio processing software used by these devices.

## The Solution

On September 11, 2025, Microsoft announced the removal of the upgrade block after releasing an updated driver through Windows Update. The company recommends that affected users:

– Install the latest security updates, which include the audio driver fix
– Restart their devices to potentially accelerate the upgrade process
– Wait a few days for the Windows 11 24H2 upgrade to become available

## Windows 11 24H2 Rollout Status

Windows 11 24H2 was initially released in October for eligible devices running Windows 11 22H2/23H2, following enterprise testing that began in May 2024. While Microsoft has lifted several safeguard holds throughout the year, some compatibility blocks remain in place for devices with:

– Incompatible Intel Smart Sound Technology (SST) audio drivers
– SenseShield Technology code-obfuscation drivers
– Certain wallpaper customization software
– Problematic integrated cameras

Users with Dirac audio software can now proceed with their Windows 11 24H2 upgrades once the latest drivers are installed and their systems meet all other compatibility requirements.