I've got an error (atioa6xx.dll) too, I bought AMD FirePro W7100 especially for running C4D,
but now it mess me up.
I'm using C4D R16 with below hardware.
intel core i7 5820k ,
win 7 pro 64bit,
AMD FirePro W7100
64Gb Adata DDR4 2666Mhz ,
kingston 480G SSD,
WD 3TB Black label.
(All bios and drivers are up to date.)
Thanks for help.
We have reproduced the issue and fixed in Staging Drivers
Next Catalyst web build will have this Fix