error 2

while using ce86, windows 7, and prolific pl2303 usb cable, I have received an error 2 on my radio. The volume has been turned up all the way when programing. The data from the radio can be downloaded, but when I try to upload the new data, I receive a communications error on my pc and an...

I am having an Error 2 show up on my LCD of my 354 it programmed fine before and worked i went back a few days later and made some changes now when i download it error 2 and locks the radio up help please i am running windows 7 Thanks