HKEY_CLASSES_ROOT\Unknown\shell
Open under shell
command under Open
(Default) string value in this command key, enter the full path of your program, with a %1 stuck on the end (e.g. "C:\util\Vim\vim62\gvim.exe %1") MAKE SURE to use the quotes else this will fail when opening a file in a directory that has a space in its name.
Unkown->shell key, set the (Default) to Open
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
e:\
explorer /e,/root,e:\
Launch a 1-pane (Mac Style) explorer window which starts at e:\
explorer /n,/root,e:\
-- MattWalsh - 03 Jan 2002