When i open windows live mali, i get the message : Windows live mail need to download the folders; when i click the button to download, next message: PLAIN authentification failed. non of the authentification methods supported by   your IMAP server are supported on this computer ???????????

It has Always worked , from today i get this message

Account : Telenet

Server : imap.telenet.be

username : leo.wouters1

protocol: Imap

port 993

secure (ssl) 1

code 800ccc0f

best regards