I installed a program which changed the .chm file extension program to open with. I know this is a kind of help file. When i went into folder options and changed the 'open with' to 'windows help engine', it gives an error saying this is not standard windows help file when i try to open it. I found out that this is an HTML compiled help file. What program do i associate with and how do i go about it so these files work properly for me? Please help, thanks.