Dell Media Center Laptop Error...

Hey guys,
I restarted my Dell laptop twice (Inspiron E1505) about twenty minutes ago and got this blue screen error message on the second restart:

*** STOP: 0x0000008E (0xC0000005, 0x804EEF8C, 0xf7A70734, 0x00000000)

Googling it produced nothing. The last major thing I did before seeing this was a boot-time defragment with Diskeeper. Any ideas? I restarted as it instructed, but came to the same screen.

[Edit]: Unplugged all the devices and started in Safe Mode. When I restarted from there, it booted up perfectly. Don't know what was wrong in the first place and can't help but feel that I'm being toyed with. By whom, I don't know. *Sigh*...Any info about what might have gone wrong is still appreciated.

[Edit]: Nix that last edit. It now looks like if I restart with external hard drives and such plugged into my laptop, I still get the BSOD.

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