Urgent help please

[rocky126]

I flashed my sony ericsson w550i using .mbn main file and file system using .fbn file.i chose the custom pack according to my region and flashed main first then disconnected and flashed file system and after file system flashing Xs is showing a msg ''activating file system please wait'' from the past two hours there's only two options now to select in xs stop activating file system or close xs what to do? I have no idea.my flashing is ok.i did it and it showed flashing done.but this activating file system is stuck on the screen from past two hours.help please