Why is Avast! suddenly asking me for a "Mail Shield Security Exclusion" on a certificate for server 86.50.92.73 - message says: Issued to: US,ST=CA,L=SanFransisco,O=BitTorrent,OU=uTorrent,CN=uTorrent Issued by: US,ST=CA,L=SanFransisco,O=BitTorrent,OU=uTorrent,CN=uTorrent Valid from 8/9/2012 to 8/29/2013 The certificate is not within its validity period The certificate is not trusted Someone please explain. Thanks.