Hi Jc27141 welcome to SF
Please follow these steps
in this order, Uninstall and clean Avg from your system using the
avgremoverx64
Download and
install Microsoft Security Essentials Enable windows firewall.
Download and
install Driver Sweeper Download the most recent software\
driver for your ati from
AMD Graphics Drivers & Software Uninstall ati software\driver,restart in
safe mode,run driver sweeper,choose amd and clean any remaining fragments,restart in
normal mode. Install the new ati software\driver,restart.
Update DirectX
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Finish with the above steps and
post back with any results.