Home > Credit Card Payment Processing > Shift4 Credit Card Processing > Shift4 i4Go V2 > Shift4 i4Go V2 Internet Explorer Trusted Zone
Don't uncheck the box on the error message titled Continue to prompt when website content is blocked. This will stop all further security messages and may make troubleshooting harder. If you did uncheck this box, you can fix it by editing the following registry key:
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain
Set DisplayTrustAlertDlg to 1.