エラーログはこんな感じ

--2017-06-03 12:27:56-- http://go.microsoft.com/fwlink/?LinkID=121721&;amp;arch=x86
Resolving go.microsoft.com... 23.44.236.68
Connecting to go.microsoft.com|23.44.236.68|:80... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: http://www.microsoft.com/security/encyclopedia/adlpackages.aspx?arch=x
86 [following]
--2017-06-03 12:27:57-- http://www.microsoft.com/security/encyclopedia/adlpacka
ges.aspx?arch=x86
Resolving www.microsoft.com... 104.124.227.184
Connecting to www.microsoft.com|104.124.227.184|:80... connected.
HTTP request sent, awaiting response... 302 Moved Temporarily
Location: https://definitionupdates.microsoft.com/download/DefinitionUpdates/Ver
sionedSignatures/AM/1.245.426.0/x86/mpam-fe.exe [following]
--2017-06-03 12:27:57-- https://definitionupdates.microsoft.com/download/Defini
tionUpdates/VersionedSignatures/AM/1.245.426.0/x86/mpam-fe.exe
Resolving definitionupdates.microsoft.com... 23.44.224.129
Connecting to definitionupdates.microsoft.com|23.44.224.129|:443... connected.
ERROR: cannot verify definitionupdates.microsoft.com's certificate, issued by `/
C=US/ST=Washington/L=Redmond/O=Microsoft Corporation/OU=Microsoft IT/CN=Microsof
t IT SSL SHA2':
Self-signed certificate encountered.
ERROR: certificate common name `download.microsoft.com' doesn't match requested
host name `definitionupdates.microsoft.com'.
To connect to definitionupdates.microsoft.com insecurely, use `--no-check-certif
icate'.
Unable to establish SSL connection.