Unable to send or receive messages for the Gmail account: server response ‘Web login required’

Unable to send or receive messages for the Gmail (xxxxxxxxxx) account. Header download for the 'Inbox' folder did not complete. The operation was canceled by the user.

Server Response: WEBALERT https://accounts.google.com/ContinueSignIn?sarp=1&scc=1&plt=AKgnsbtiMnY0K8f4Y0Nm05qE3K1n5pv7n7LufrhgAXRogK5c-BjjOQk4nhTwHSXPxDNKPX1jGoHjjTWv4uQbU3Y2VIeBbFsFKiVNOVhcDYEnn52dRH_VLmE5SDh5VoiHtZHGRlKXx82u6_j3y6ZcTihEF8VlC2GXPCQLfFcG7aIZ0AXbp77R-5hI7mvvww22dynhvttwPjZDb8E7A_oXVvjvmWipInxIWn-0rjNtGC6-iHCC-ciEZBw] Web login required.
Server: 'imap.gmail.com'
Windows Live Mail Error ID: 0x800CCC0F
Protocol: IMAP
Port: 993
Secure(SSL): Yes

[Original title: Gmail problem in WIndows Live Mail]