hey, i got the 10b, and i set it up to my wifi and it ws working for about 3 hours,i was on facebook and it told me i had to force close it and i did, and i left it over night, and then this morning i got on facebook again and it talls me to force close, again but this time it wouldnt go away, it keeps coming up with force close, force close stright after each other it wont let me do anything, iv tryed turnign the power off about 10 times iv pressed in the reset botton, and nothings happeing, iv plugged it in my computer and it comes up lets me put things on it then when i turn the power on it keeps coming up with force close, and when i turn it off and try to charge it ,it turns it's self on and comes up with the force close? I don't know what to do??

Reanne xx