Hello, I am in need of acad180.chm file. My autocad 2010 seems to be missing this important file. Without this file, I cannot open my HELP (F1) in my AUTOCAD2010. Can someone provide a download link for this file or upload it? Help is greatly appreciated.

it'll be on your ACAD CD / DVDAlso, autocad help is now online http://docs.autodesk.com/ACD/2010/ENU/AutoCAD%202010%20User%20Documentation/