i recently reloaded my machine. updated through windows update. now any site that has a certificate reports an error. "The security certificate issued by this website was not issued by a trusted certificate authority" I can install the certificate on the local machine but I still get warnings that the certificate has problems.
The websites I am visiting should be legit. sprint.com geico.com etc. I have visited these sites prior to the reformat with no problem.
what can I do?
certificate errors 
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