*** WARNING: Unable to verify timestamp for atikmpag.sys
*** ERROR: Module load completed but symbols could not be loaded for atikmpag.sys
atikmpag+0xc60f
Completely remove Everything from AMD using DDU and install the newest version of driver available.
www.guru3d.com/files-details/display-driver-uninstaller-download.html
You would find the AMD driver either on the manufacturer's website or http://www.carrona.org/dvrref.php
Let us know how that goes...