Please follow the below instruction and then check it again
Uninstall the software
After uninstalling it check if there is any process running in task manager then please terminate it.
Restart the computer and then again install the set up that i have provided you earlier
We can change display name instead of user name but we won't able to modify this line "Your password for account 'gortond' will expire in 13 days and 22 hours."

Either we can completely remove this line or keep it as it is, as there is very complex coding used for this line so modifying it may incur other issues

Also please provide your specific text that you want to be added in the email template.