I would think that if you wanted support on Windower you would go to their site @ http://www.windower.net/index.php?page=news.
But anyways try typing "//mouse_blockinput 0" without the "".
The "0" means "Off", "1" means "On".
2 boxing as far as I know does NOT work w/Vista. If all else fails, just re-download hook.dll.