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Access denied to encrypted sites

My computer has begun denying me access to encrypted sites. What can I do? I've checked the system to make sure it is still set to high level encryption 128 bit, and it is. I also checked the other things the access denied page asked me to, but still nothing. Help!
Without getting the exact error message, this is kind of hard to troubleshoot. I'm not even sure if you are using Internet Explorer, Firefox or some other Web browser. I'm going to assume Internet Explorer and offer some general things to look into. First, I would clear the history and temporary Internet files for Internet Explorer. While this may or may not help, I have found that IE does some rather weird things when the history and temporary Internet files get full. Second I would clear the SSL state on the "Content" tab of the Internet Explorer "Internet Options" screen. Next I would review the certificates and publishers that your system knows about and remove any certificates that are unneeded. Finally, I would make sure to update to the latest Root Certificates from the Windows Update Web site. If this doesn't help, please send me the exact error message so I can do some further investigation. Thanks!

This was first published in March 2005

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