Possible causes include:
(1) No certificate link is installed in the new computer after replacement.
You can download the “Certificate Link and Signing Control” from the Download Center and install it.
(2) There is a problem in the setting of the IE proxy server, whose “Security” is blank.
You can click on IE Explorer-Internet Options-Connections-Proxy Server Setting to configure the Security the same as other proxies.
(3) There are problems in other settings of IE Explorer.
You can reset IE Explorer to default settings: For IE6, please click “Reset Web Settings” from the “Programs” under IE-Internet Options; for IE7 and above, please click “Reset” under IE-Advanced.
Please also clear the buffer cache: delete history, temporary internet files and cookies in IE-General.
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