I updated AFX, Premiere Pro and Photoshop to the June 2016 release last week, (confusingly labelled 2015.3) I experienced major issues which Adobe online support diagnosed as GFX driver issues. temporary workaround is to return to version 2015.2.
GFX card is AMD Firepro W8100. Driver details are:
FirePro Settings Version - 2016.0417.109.209
Driver Packaging Version - 15.301.2601-160416a-303371C-Retail_End_User
Provider - Advanced Micro Devices, Inc.
2D Driver Version - 188.8.131.523
Direct3D® Version - 184.108.40.2061
OpenGL® Version - 220.127.116.1120
OpenCL™ Version - 18.104.22.168
AMD Mantle Version - Not Available
AMD Mantle API Version - Not Available
AMD Audio Driver Version - 22.214.171.12423