Open Source Document Management System | OpenKM

hi all...
i have installed openKM 4. i can login using okmadmin, but when the openKm starting...browser closed suddenly.and warning that the browser error. i don't know why??? i used firefox.
can you help me to solve this???

hahaha....i have solved this problem...its caused my browser error....so i have installed new browser and openKM running...