Forum Discussion
MMDevApi.dll bug report (Windows 11 24H2)
I'm the developer of text-to speech (TTS) application, it has been distributed for many years, and there have been no problems with MMDevApi.dll, from Windows XP to Windows 11 23H2. Now I get dozens ...
The problem with the error in MMDevApi.dll is still not solved. I regularly get complaints from users saying, “Windows 11 upgraded to 24H2 and your program started crashing. What should I do?”
The problem occurs in 32-bit applications that use the IMMNotificationClient interface. This code example compiled as a 32-bit program can crash:
https://learn.microsoft.com/en-us/windows/win32/coreaudio/device-events
Other developers also reported about the same problem with their 32-bit applications (64-bit applications is OK).