See if perhaps the sfz+ version of the program is trouble free. Available here for no charge: http://www.cakewalk.com/products/sfz/

Sampletank is not all that different than sfz - much more bells and whistles, but in the end, sample playback is what it excels at. This is the same for soundfonts. Soundfont is a name given by Creative Labs many moons ago, to a packaged set of samples for sample playback.

Sampling, in general in the music world, is the practice of using a pre-recorded snippet of sound in some fashion in a musical way. This is what soundfonts are. This is what the samples are that are in a sampletank set of sounds. This is what the old-school Ensoniq Mirage did to popularize sampling back in the late 1980's/early 1990's.

Finally, I can't recall whether Sampletank can import .sf2 formatted samples or not - I don't believe so in the freeware version of Sampletank.

Here's another sampler which does in fact allow importing of soundfonts - I've tried this one myself, but almost always used sfz: http://www.kotkasuniverse.com/paax.php

There's a free version and a pay-for version. In my recollection, the free version works fine. You do have to be careful with some soundfont player software in that all of the volume envelope information that is intended to be used with the sample can get lost or ignored, thereby completely changing the intended resultant sound.

-Scott

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