Step 1: Check if your computer is connected to the Internet.
Step 2: If not, connect it and then try to sign in to your Windstream email account.
Step 3: Make sure that you have entered the correct username and password.
Step 4: If the Windstream Email server is down, then wait for some time until the server is back.
For More Information Please Visit Our Website;- Login Windstream ! My Verizon Login