To fix Windstream login issues, you have to follow these troubleshooting steps such as:
First of all, you have to visit the official Windstream login page.
Here you have to type your Windstream login username and password.
After typing the Windstream login credentials, you have to click on the Submit button.
Now, choose the Edit Profile option from the drop-down menu.
Enter a new email address and password and then click on Submit button.
This will update your Windstream account and will fix your Windstream login issues.
https://www.emailtechnicalsupport.us/blog/windstream-email-login/