Windows 7 Blue Screen of Death (BSOD) Please Help!!!?

[dreamnice]

Hi

Here's My problem, yesterday i installed the New Windows 7 RC Build 7100. Since i have had it installed i have been having Many Blue Screens of Death. Each time i have a Blue Screen Of Death a new code comes up. Here's the weird part. I get into Windows, all my applications that load up on start up load up, and i try to get into Windows Live Messenger (The latest Version) I'll be in and chatting and then BAM!! Blue Screen of Death. The BSOD happens even if i don't do anything, sometimes it even happens when im in still in the log in page. I have un-installed and deleted all the things that aren't compatible with Windows 7, Done an Error Check, tried deleting things in the registry and tried Defragmenting it, but still the same problem BSOD. Please Help me qucikly becuase today if nothing happens i will back up my Hard drive and then re-install Windows Vista.

I am using A Toshiba A300/300 Sattelite Notebook.

Thans in Advance

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a full-time software developer + a part time band guitar player.
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