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#11
if you do a system restore, all programs that have been installed/uninstalled since the restore point will go back to the way they were at the time of the restore, you can get more information, and how to do it here: System Restore
obviously its down to you whether you do it, but i would recommend it, as if it doesn't work, i have another idea, but it kind of relys on the system being restored to a point where it was installed