Potential X1 Essential help
I found this that appears to have helped my system; I've kept the transparent windows but the system sounds have definitely gone off. As X1 can pop and crackle at the drop of just about anything, I thought I'd give it a try.
I started from this heading:
b) Set your computer's power for high performance:
Performance tips from Echo Audio
QX6700, 4G RAM, DELTA 192, Samplitude 11 Pro, Win 7 32bit.