Hit the print screen button, and then go to microsoft paint paste it then save it then upload it then get the code off imageshack.com or photobucket.com
Hit Print Screen (Prt Sc). Then save it into Paint. Go to imageshack.us. Upload it. Copy the link at the VERY bottom. Make a thread here. Click the Image button. Paste the URL into the box and hit enter.
you save the image after you did what ant said then go to this website http://tinypic.com/ press browse and click on the photo (i usualy save to my desktop) then after you do that press enter then it will give you a forum code like