Install CAcert.org Root Certificate Into IE

http://www.cacert.org/index.php?id=3

Download Class 1 PKI Key

http://www.cacert.org/certs/root.der

Install Root Certificate

Start Internet Explorer, [Content] Tab and [Publishers] Button.

Select [Trusted Root Certification Authorities] Tab, [Import...] Button.

Follow the wizard, locate Root Key file

Point the Certificate Store to "Place all certificates in the following store"
Certificate store: Trusted Root Certification Authorities".

If correctly imported, should see "CA Cert Signing Authority" in the list.

Updated On: 12.01.02