Link to French version: Procedure de désinstallation de Momindum Maker
Go to: Control Panel => Programs => Programs and Features
Uninstall Momindum Maker
1 – Select the Momindum Maker software
2 – Click on the Uninstall button and press Yes 
3 – Wait for the end of the uninstallation 
Uninstall Momindum Maker Add-on
1 – Select the Momindum Maker Add-on software 
2 – Click Uninstall 
3 – Press OK if the UAC requests confirmation of the administrator right for the uninstall and allow the uninstall to finish.