*slaps forehead*

I downloaded virtualdub so I could make my own screen shots.. The only thing is, I hit Ctrl-1 which is supposedly what you're supposed to press, but I don't know what to do from there. Like where do I look for the image. What do I do after I hit ctrl-1. I would use powerdvd, but I can't seem to find the capture screen button. I swear I'm losing it. *wanders off confused* Any ideas?