Hi Peggy. My name is***** am a computer professional with over 15 years of experience with both Mac and Windows computers, phones, tablets, and printers. I'm sorry that you're having this trouble It would be my pleasure to assist you.
In order to provide the best possible help, I will need to know what operating system you have on your computer. If you're not sure, please click this link and tell me what you see:
From the Apple menu, choose About This Mac. Your version of OS X appears directly below “OS X"
It woudl also be helpful to know which version of Adobe you have on your computer, and the exact error message that you get when you try to upload.