Since now we know it is a cook rom and I had a feeling since it was not listed in the remove programs list.....yup you probley corupted/changed settings...etc..in the installed version...since it cannot be completely removed due to being part of cooked rom.
you might be better off...just recooking without tcpmp so that you can update in the future without having problems.
http://forum.ppcgeeks.com/showthread...ighlight=tcpmp <----this might help you out
I use the flash video bundle...for youtube video and works great, try it out if you like.