:-Welcome1 to the forum lester_b
Your Viewsat stb seems to be a stateside only model so unless it is a clone of a European or far Eastern model it is doubtful that anyone on this board will know of any software accessories for it as we are European based. We do have some members from the USA and Canada who drop by occasionally. A Google search revealed the following click
here
And there is a good report about it
here
But someone else may know different and will post here if they do.