BUG REPORT Linux Mint 13 bars on top and bottom missing hot keys do not work after 30APR13 upgrade

here's the bug report
https://bugs.launchpad.net/linuxmint/+bug/1175469
To get alt + tab to work I ran metacity --replace but if I close that terminal alt+tab stops working.

all hot keys I've tested outside of alt + tab fail, most importantly alt +f2 and screengrab

please advise on a fix

Видео BUG REPORT Linux Mint 13 bars on top and bottom missing hot keys do not work after 30APR13 upgrade канала Happy Computing with Dennis