I need help

I'm using gimp 2.8 on Windows 7
I downloaded Resynthesizer from various sites including from the Gimp Plug-in Registry. I watched tutorial videos on how to install the Resynthesizer in Gimp and followed every step correctly but when I test it on a picture this message pops up:

Error while executing script-fu-smart-remove:

Error: ( : 51577745) eval: unbound variable: plug-in-resynthesizer

Can someone please help me with this problem...