Windows Phone 8: Can't Add Account

Windows Phone 8: Can't Add Account
We're having a problem signing in. Make sure you have good reception. If you do, the problem may be on the other end. Wait a little while and try again.

This message annoys you and disturb your WP using experience.
This video will cure it for you.

Device Used: Nokia Lumia 521 with WP 8.1 OS.

Reference Link:
http://support.microsoft.com/kb/2784236

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