[psycho_maniac]

or try this

connect the phone and go to your activesync settings on your phone. there is a little box that says something like "check this for faster sync'ing" or something like that. while the phone is plugged in uncheck/check that then wait a few seconds and then do the opposite of what you just did.. wait a few more seconds...unplug the phone and then plug it back in and try that.