I should not have to manually reinstall MediaMonkey every time a new version comes out. I would even be willing to pay for MediaMonkey Gold if it had automatic updating as a feature, but alas, it does not.

The time limit you said is telling me it is windows causing it, in 30 minutes time music can fill up the cache file / ram / virt mem / page file which ever your system calls its extra memory section. And doing that makes windows auto empty temp files to get more room. Since you didnt save the ...