Hi again.. i did a little bit more searching and came across this page.. http://www.zen-cart.com/forum/showthread.php?p=634068 which advises someone with a similar problem to do the following

"ha i was wondering what those messages were... Go to Modules/Payments/PayPalIPN and disable "Debug Mode". :) "


I will do this and hope it works.. just wanted to check back in..