Ahh see them artifacts I didn't click on the bar to enlarge .... remember you can use attachments here on NGOHQ.com Bro and they automatically thumbnail
Artifacts are generally caused by hardware which could include something on the card or in the system being overly stressed. Could also be the PSU not keeping up as mentioned. On .net framework versions and the visual C++ question I can't really see these causing this symptom *shrugs*