HKCU\Software\Microsoft\Windows NT\CurrentVersion\Program Manager\
The Unicode Groups subkey specifies group numbers for the program groups defined in Program Manager. This information applies mainly to Windows NT 3.51 and earlier, but it applies also to later versions of Windows if you are running Program Manager as the desktop interface.
The entries in the UNICODE Groups subkey associate a group number with the name of a program group. The entries have the following format:
Group# REG_SZ Group name