Same thing is happening to me, but I think I deleted apps when I was rooted....that I probably shouldn't have.
Just flash it with the 246 fxz file. this will put everything back & it wont matter what is missing.
Unless you are worried about losing data currently on the phone.
link to file & directions on how to do it.
http://www.droidforums.net/forum/dr...install-246-ics-fxz-updated-10-24-2012-a.html