Question

Using Sample One there is no loop in the window, won't let me set a loop for a sample.

Answer 1

Taking a look at your account, you are using Studio One 2 Professional. The reason may be that your sound sets may not be installed. Please review this link on how to install your sound sets in Studio One 2.

http://support.presonus.com/entries/21704284--5-Installing-Additional-Content-PreSonus-Sound-Sets-