I have Edited my video in sony vegas Pro 12 build 726. When i click 'Render as ' button, it says "An error occured while creating media file. Exception thrown by method called'' . .I am unable to use my Program....I need HELP!! ... i have been using vegas pro 12 build 370 for over 5 months and i recently started having problems....I have installed Adobe Photoshop CS5 recently...Could this installion have caused the problem????