Add CommonFilesDir and ProgramFilesDir to HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion
drwxr-xr-x - cis
drwxr-xr-x - irc
drwxr-xr-x - msvc6
drwxr-xr-x - os2
drwxr-xr-x - reactos
drwxr-xr-x - rosapps
drwxr-xr-x - rosky
drwxr-xr-x - vms