Not yet on the MX3000s, but I have only done a few since then and they are small theater programs. But as a curious note, I have a client that has contacted me in the last week about his Crestron MT1000 panels locking up. As you may or may not know, these are the same as the MX3k, but with Crestron software and programming. The tech at Crestron has not heard of this yet, but I just sent him a copy of the program along with a link to this thread. Maybe the gurus at Crestron can hack through it....