If nothing else:
Take out you Pandora Battery and do the following:
Create a new Magic Memory Stick via this guide:
http://www.pspmod.com/forums/firmwar...will-work.html (Magic Memory Stick Guide 5.00 m33-6 (Vista will work))
Put in your MMS and then you batter and reflash your firmware to either OFW or CFW. Which ever you want to go with for now.
See if that solves your problem.