it's been noted before...

the hang on exit bug happens when you close using the X in the upper right. so don't. right-click the tool tray and select 'exit' instead.

as for your keyboard 'locking up'... that's new. there is an expected 2-4 second delay as keyclone unhooks from windows.

did you install keyclone as administrator? by that i mean (and i really get tired of typing this.. over and over)... right-click the install binary/run-as-admin.. since microsoft doesn't think being logged in as administrator should imply administrator rights. (go figure).

next, you must run keyclone 'as administrator' (same as above)

off topic: the guy @ microsoft that came up with that distinction should be duct taped to the developer's wall o' shame

on topic:
of course.. another solution would be to not use vista in the first place