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The certificate authority(CA) which issued IBG's website certificate has had their own certificate expire. They have issued a new certificate, but the new certificate is not yet incorporated into many web browsers. Web browsers that do not have the new certificate will show a security warning. To avoid this warning the new CA certificate must be installed in your browser.
To install the new certificate, go to the CA's website at http://certs.ipsca.com/Support/hierarchy-ipsca.asp and then click the ipsCA Global CA Root
link at the bottom of the page:
Or, click here to install the certificate directly from their page.
Installation of the updated certificate in Thunderbird requires downloading the certificate, and then importing it.
ipsCAGlobal.crt
file to a convenient location.Tools
or Edit
menu and select Preferences
(different versions of Thunderbird put Preferences
in different locations).Advanced
button.Certificates
tab.View Certificates
button.Authorities
tab.Import
button.ipsCAGlobal.crt
file which you previously saved.Trust this CA to identify web sites
.OK
on the Downloading Certificate window.OK
on the Certificate Manager window.Close
on the Thunderbird Preferences window.Microsoft has included the updated ipsCA certificate in their root certificate update pack. The updated pack can be installed through the normal Microsoft Update procedures, or downloaded directly from Microsoft.
Windows 7 and Windows Vista normally will automatically download updated certificates with no necessary user interaction.