I can´t export h.264

[marcosbolda]

(First, sorry for my English) I have premiere 15.1 and now when I choose h.264 option in the export menu the program stop working. I used the older versions of premier without problem. This start with the new version and only with the h.264 option.

Anybody can help me? 

[Ann Bens]

FAQ: How to reset (trash) preferences.

FAQ: Deleting Media Cache files

[marcosbolda]

I tray this options but i have the same problem.