Adobe Photoshop Elements 1.0.1 Reinstall Problem

Hello,
I'm experiencing great difficulty (throught my own fault) with reinstalling my ADOBE PHOTOSHOP ELEMENTS 1.0.1 software. During the course of the reinstall I made the mistake of choosing the option of removing files which I should have left alone, as a result, my software will no longer work properly, is there anything which can be done to restore the software to proper working order
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