I would follow Narelle’s advice, and further. Start reaching into that tech 101 handbag. Do a complete re-install of video drivers, directx, Microsoft C++, chipset, etc.
Well I did an utter and complete Clear up of Conan on my system. I removed every file related to it. Re installed Conan and it is now working a treat. So case closed. Knew it wasnt or had anything to do with my rig. ^^