Heap Error

I've almost done it thanks to RR and Win500...I've got my psr500 finally programmed I thought ,picking up a lot on Ch1 but then when I pushed 2 and 3 channels to activate, a Heap error came up....21CE21:21D5....I feel like I made 2steps forward last night going thru the 'rebuilding' programming after our area went thru rebanding...I was picking up much this morning but now since adding more to channels 2+3 I can only pick up on 1 and not HP on ch2.....You guys are great and I am gonna whip this thing called scanning one day just watch...Thanks for any help...Please keep it simle cause I'm the STOOPID one