I am seeing the error ‘Feature has expired (H0041) or (H0005)’ and I can’t use ProMass.

Most likely, this error message means that you have not yet fully activated your copy of ProMass. All domestic ProMass for Xcalibur or ProMass for SCIEX USB hardware keys are initially provisioned at Novatia as 60-day temporary keys.  After your license is paid in full, you should receive an email from promass_support@enovatia.com with instructions of how to download and install a license update.  If you have not received your license update, please contact us at promass_support@enovatia.com so that we may confirm your payment and licensing details.