MY psr500 gives me a heap error when i load frequencies with win 500 . I have emptied my v folders and checked to see if there were any updates to my software and they tell me that the disk i now have is the current version . I had high hopes for the use of this software but now i have spent countless houers trying to get it work properly and i am about ready to reload it manually . if i upload 2 or more scanlists and try to turn one off the others off it tells me that there is nothing enabled . can anyone please help? paul