Any way if it transpires to be a 'Vista thing'
Do a searxh of Microsoft help database.
Go the help file in the package and type in the field Word Art no print or similar and see what turns up- or Go online to M/S
There are issues with Vista and some software[ even M/s's own] does not always work.
But there is a way out
Download click here print screen .com
And then pen your image editor or is you do not have one- MS Paint- to be found in Programs/Accessories.
Go to Edit - click on 'Paste as New image'
Crop to just the image
Then print from there