Dirac Audio Glitch Resolved in Latest Windows 11 Update

16 Sep 2025

Microsoft has successfully addressed the long-standing Dirac audio issue in its latest Windows 11 24H2 release. This glitch had affected numerous devices relying on Dirac audio technology, causing them to lose sound output entirely. The problem impacted both integrated speakers and various Bluetooth audio devices.

Tracing the Problem

The troublesome silence was traced back to cridspapo.dll, a crucial component within the Dirac audio software. This discovery led Microsoft to implement a compatibility safeguard hold, temporarily preventing the 24H2 update from being rolled out to devices known to be affected by this issue.

With a collaborative effort from Microsoft's engineers and experts working with Dirac, updated drivers have been developed and released through Windows Update. These new drivers have successfully resolved the glitch, and as a result, the safeguard hold has now been lifted.

Looking Ahead

It's noteworthy that Windows 11 25H2 is set to share the same servicing branch as its predecessor, 24H2. This ensures that any critical updates developed for 24H2 will naturally extend to the next batch of releases, albeit initially in a disabled state. This strategy promotes a seamless user experience by allowing gradual integration of new features once stability is confirmed.

Meanwhile, Microsoft remains vigilant, consistently monitoring for other potential compatibility concerns within Windows 11 24H2. This proactive approach includes addressing separate issues such as those related to the sprotect.sys driver, applying necessary safeguard holds whenever a serious bug is detected.

Overall, this resolution underscores Microsoft's commitment to maintaining a robust and user-friendly operating system environment. The partnership with Dirac highlights both companies' dedication to ensuring optimal performance and reliable audio service for users. As updates continue to roll out, users can expect an enhanced audio experience across a range of devices.

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