Teamviewer Conflict?
I was having all kinds of issues loading PVX GW2 (random crash, black screen, flashing screen, intermittent audio) - Turns out that if I disable TeamViewer in the system tray, the game runs great. I don't need team viewer when I play, but I thought I should ask if anyone else is having the same problem... (Win7, 16GB, Asus Sabertooth 99FX,AMD 8120, dual AMD HD7700)
Other programs can often cause problems like this @TalusThree, If it causes this simply don't have it open while playing.
