>That file seems to change from installation to installation. Maybe doing a search in the registry for that string will help to find the key value. Then, anyone can use that key value to locate the help file.

I have c:\program files\microsoft visual studio\msdn98\98vsa\1036\msdnvs6a.col but when I keyin F1 nothing append.
I have verify that the is well in the Data register.

What kind of program is dedicate to open *.COL files ?