Is this computer part of a work/business computer environment, or home computer?
If the former, and your PC is on a network that has regular backups, check with the system administrator to see if it's possible to retrieve a saved copy of the file/folder.
If the latter, do you have any experience with Linux? There are several free tools out there that may do the job.
Did you also just let the recovery software recover all 40 gigs (if you have the free space), then look for the files that you need?
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"I love it when a plan comes together." - Hannibal Smith