Norton Bootable Recovery Tool - desperate for HELP!

here is my problem. i hope someone can help.

scan won't run.

had one day left of norton 360 on a friends laptop. was installing another year from new disk.

when it removed old version and asked me to restart, it wouldn't restart. got blue screen saying because of no anti-virus installed -

virus infection corrupted hard drive. tried everything...just kept trying to restart and crashing over and over.

attempted to run bootable recovery, but when i got to the start scan screen...scan would not run.

it say's that scan will not run with an encrypted hard drive. and that i must decrypt it first.

how do i decrypt it - if i can't get to it ???

HELP !!!

Marc.

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THIS HAPPENED YESTERDAY. SCAN STILL KEEPS FAILING TO RUN.

OLD PRODUCT CODE # EXPIRES TODAY - THEN I WON'T EVEN BE ABLE TO GET TO THE RECOVERY TOOL !

HOW DO I FIX THIS ??? PLEASE HELP !