le possibili variabili dovrebbero essere queste:
HKCR \*\shellex\contextmenuhandlers
HKCR\AllFileSystemObjects\shellex\contextmenuhandl ers
HKCR\Folder\shellex\contextmenuhandlers
HKCR\Directory\shellex\contextmenuhandlers
HKCR\<ProgID>\shellex\contextmenuhandlers
HKCR\Directory\Background\shellex\ContextMenuHandl ers
HKCR\exefile\shell
HKCR\exefile\shellex\ContextMenuHandlers