Worked for me too :) :) .... now, when I want to print screen, I use SnagIt.
Thanks to Travis Krumsick
More details: I downloaded the file from here: http://webpages.charter.net/krumsick/KeyTweak_install.exe
Run the KeyTweak program, then to disable the printscreen key, using KeyTweak's virtual Keyboard: click on the button corresponding to where your "
then click on "Disable key",
then press the "Apply".
The remapping will then get written into the Windows Registry, and
you will then need to restart your computer for the changes to take effect.