Suddenly getting error messages (below). Not changed anything, not added extra / different anti virus. tried going to un-install and fix, but that didn't work.  not sure what to do next. Help! Thanks

Lookup failed 127mb64633056wlh

Lookup failed b4mb134093765wle

Unable to send or receive messages for the Gmail (ppcanterbury) account. Header download for the 'Inbox' folder did not complete. Your server has unexpectedly terminated the connection. Possible causes for this include server problems, network problems or a long period of inactivity.

Server Response: Lookup failed b4mb134165111wle

Server: 'imap.gmail.com'

Windows Live Mail Error ID: 0x800CCC0F

Protocol: IMAP

Port: 993

Secure(SSL): Yes

[Original subject: Live Mail 2012 Windows 10]