There is a bit of discussion on problems like this on the Apple support list. If you upgraded to 10.7.3 using the incremental update, try installing the 10.7.3 Combo update (1.36Gb available from the Apple downloads page).
DN On 04/02/2012, at 9:26 AM, Sergio Araos wrote: > Dear All, > > After updating Lion 10.7.3 Quicksilver crashes every boot. Clear > Caches helps, but I think Apple ruin something. > > SA
