If you need to recover files from a Compact Flash card then try Flash Memory Toolkit.  This software package is a free download for most features and will perform functions like read/write benchmark tests and recover files from a flash card or flash drive.

USBPerformance software will allow you to recover a file from a Compact Flash card.  This is how it works.

The utility will make a binary image of your Compact Flash card…it doesn’t matter if you can’t read the data or not, it’ll still make an image file.

Then the utility will mount the image file as a drive letter on your computer [PC only].

From here you can browse your content and recover that file from your Compact Flash card.

In most cases, when a flash card goes bad [either CF, SD, microSD or USB] the problem or error is from the partition table or the File Allocation Table.  Since this mounting of an image gets past those issues, you can get into where the files are stored…from here you can copy them out to a normal working part of your hard drive or another removable media.

Give it a go.  USB Performance website with a link directly to the file recovery page.