It could be that you are simply uploading way too much to the IFPS or whatever and it is rejecting from your IP. That was my guess after I figured it out.
I moved to busy for a bit but then that started doing it to me.
I then simply began uploading less and took a day off here and there to allow whatever shadow restriction there was, to be uplifted. And I havent had an issue since.
What is the error you are receiving?
RE: Now I Cannot Upload To Busy.org!! Really Getting Frustrated Steemit!