One caveat is you may be nagged with an admin popup for old 32bit games that run as admin - like DAOC. So I ended up rewriting the whole thing to fix a lot of performance and stability issues. But I knew these must be related to the hooking system (where YM jumps into a game and tweaks its cursor). One in particular is based on reported issues I couldn't reproduce.
Had hoped I left YM in perfect shape while I went off to work on another project, but alas software can never be perfect.
