Get a Linux LIVE DVD, boot from it, don't give it internet access, close the curtains, copy IanColeman's site on a USB stick, don't give it access to any hard drives, run from RAM only, and play around with it until you have the private keys you need. Then turn off the PC and wipe it's memory.
Your just move the bitcoins to a fresh new wallet with a new after if you are successful in recovering the private keys.
Consider your seed exposed and create a new wallet after inserting private keys in any computer.