I had the same problem here (Ubuntu 9.04 desktop 32bits) I downgraded xulrunner from 1.9.0.11 to 1.9.0.8 now firefox starts
I had the same problem here (Ubuntu 9.04 desktop 32bits)
I downgraded xulrunner from 1.9.0.11 to 1.9.0.8
now firefox starts