I cannot upload the transaction csv file from coinbase. i get the error: "no headers found in this file" Very frustrating! What is the format that turbo tax expects?

Please follow the instructions here to get the CSV file from Coinbase. 

If you are still having issues, please click here to contact customer service. 

Access is denied when you there to access the link to instruction

I too am having the same issue. Did you get a solution?