Reply to midifighter+traktor+win7=bad latency+muffled pop

I've got my midifighter (instant gratification mode) hooked up to my win7 laptop and all the traktor effects have a really bad latency accompanied by a small amount of muffled pop. makes quick beat juggling sound horrible. it also affects the VCI-300's effects knobs - same problem with the latency and muffled pop.

I've tried reinstalling all my mappings and I noticed if I install the VCI mapping first then the VCI effect knobs work fine, it only happens after I install the midifighter mapping that I get these problems.

I've tried the midifighter in two Macbook pros and it works flawlessly, so my inclination is that it has something to do with the PC version of the mappings. no idea what that could be or how I would fix it?

I tried searching around but I wasn't able to find anything related.

thanks!