AES16e crashes after driver update

Hello,

We use the latest driver and firmware from your homepage. Unfortunately there is no error message, Pro Tools crashes immediatly while changing the buffer size and shuts down. After restarting PT, everything works fine and the new buffer size is applied.

Directly in Pro Tools from the Playback Engine screen.

Paul, I've tried the updater but without any improvements. But, after the succeeded update, the PC crashes with a bluescreen while pressing the "Power off" button. The bluescreen says "graphics errror", so I've checked the IRQ ressources after the reboot. The two graphic cards and the AES16e have the same IRQ (16), could this be a problem?

We've tried updating the graphics driver but without success. The buffer crash still exists 

We've tried un- and reinstall the AES16e driver without success. Our PCIe slots are all filled with video, UADs and AES16e, so there is no chance to change the slots because of thermal reasons. 

I'm having exactly the same problem. I have two AES 16e cards, updated as of late Oct 2015, I'll post version #'s when I'm in front of my studio computer next, PT 11.3.2 & Windows 7. PT crashes when changing buffer size to a lower setting. No session needs to be opened. Changing the buffer size from within the PT audio engine to a lower setting (excepting going from 128 to 64) crashes PT immediately. I spent over an hour the other night troubleshooting the symtoms of this and I found that changing the buffer to a higher setting is fine (256 to 512 for example), no problem, however changing to a lower setting causes the problem (512 to 256, except 128 to 64 this never caused a crash). Just as the original poster said the new buffer setting which caused the crash is then applied when PT is reopened. I though that by checking the Lynx setting "Allow clock change...." solved the problem but that was before I thoroughly diagnosed the symptoms. I have not expereinced any blue screens or video related issues.