Vous pouvez use the free AutoHotkey.
The following script will nullify the clés système-wide:
#h::
#c::
#k::
Après l'installation AutoHotKey, put the above text in a .ahk fichier and
double-cliquez it to test. Vous pouvez stop the script by clic droit on
the green H icône dans le traybar and choosing Exit. To have it run on login,
place it dans le Startup group at
C:\Users\USER-NAME\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup.
Vous pouvez further limit the script to a specific executable by
adding an
#IfWinActive directive
vers le script.
Useful AutoHotkey documentation: