See previous topics regarding quicken downloads with financial institutions requiring 2FA.
It seems to me that QUICKEN can devise a POP-UP in order enter the 2FA code rather that simple a POP-UP unable to login error.
Hello @rmjryost95,
We have received confirmation from American Express that the MFA prompt for each online account update is working as designed as this is the intended process they have put in place.
Thank you!