I'm stuck badly in this game, it became so frustrating that I even suspect a game bug. i've followed walkthrough to the point where I'm supposed to draw the curtain in Hargrove studio, but every time i attempt to do this, the guy tells me not to and Sherlock stops. I've consulted several versions of walkthrough and I believe i've done everything I needed to do, but maybe not in the correct order. pls help
