Win 10, GTX 970, 32G RAM, 1TB HD, INTEL I5.

I can't play more than 1 map or the game will either disconnect and leave me at the main menu or the game will hard freeze (with annoying tone) and I can't even bring up the task manager. Always happens sometime during the 2nd of 3 dungeons. No problem like this until today, and I've now had 4 DCs and 2 hard crashes. I updated my video and audio drivers and still having the same problem.

As an aside, I can never transform because when I use the skill with the bell audio, the audio sticks and won't stop it's awful tone until I quit to the main menu and start over.