Crashing needs to be fixed...
I would be tempted to start over. Reinstall from scratch. An application that crashes just gets worse as things get corrupted worse over time.
I would also run Rember and do a series of RAM tests to make sure my RAM wasn't causing the problem.
"I am a mortal enemy to arbitrary government and unlimited power. I am naturally very jealous for the rights and liberties of my country, and the least encroachment of those invaluable privileges is apt to make my blood boil."