Description:
When trying to download updates for definitions through Patch Manager, the errors as below is given:
As the verification option is now greyed out and enabled by default, we could not uncheck this verification to ignore this.
Reason：
Can't get to the site http://Cacerts.digicert.com to download the certificate from core server
The website was blocked
Resolution:
Check if Internet Explorer Browser Security setting block the certificate downloading
Check if local network firewall block the target address