Am not sure if you are going to read this but unfortunately I still have the issue. A fresh Windows install (to make certain on the removal of residual IDT settings) did not help. Seems like we need...

It is a good forum but I would still advise you to format if your current OS is an upgrade from Windows 7.

Like I mentioned: I have not see the Windows Audio graph issue anymore.

However I seem...

At this point you probably know as much as me.

Check the inf and ini files of your driver. It contains the install instructions based on the DeviceID (DevID) that your sound card identifies as. It...

The only solution is to mod or to obtain a new driver. These old drivers have this bug.... as sad as it is.

I guess you do not have the same specs as me. Regardless. The bug still persists for me. Formatting the machine only prolonged the time for the bug to appear.
Have you reported this via the MS help...

SP52562.exe

Make sure you totally uninstall all HIDDEN Audio Input and Outputs in DeviceManager + non hidden and the drivers themselves.

Restart. Make sure that IDT does not reinstall. You can use driver...

I can confirm the Windows Audio Device Graph Isolation process issue. This issue is quite frustrating and I have opened a thread on the MS forums:
...