[PROBLEM] No reboot after unplugging

[kas_27_es]

I had this problem a long time ago, with beta 1, so I decided to install beta 2.

All was running very well until I had to unplug it... Since then, the pi haven't start anymore.

The green led blinked a few times, and then the red led was fixed.

I don't understand the reason, so I've decide to reinstall again but, Is there any way to prevent this issue?

Thanks.

Kas.