Mathematica 10.0 on Raspberry Pi 2 hangs during starting up

Questions
,
1

So far Mathematica on my Raspberry Pi works fine but for few days it hangs up on startup. I don’t know what’s happened…
please help

?ukasz

2

Please see this post

http://mathematica.stackexchange.com/questions/92931/mathematica-10-0-x-freezes-in-initializing-kernels

On the Raspberry Pi, the standalone kernel is started by wolfram.