How to Stop Certificate Errors
Digital certificates authenticate clients and servers on the Internet. Certificates protect sensitive information, including all browser communications. Certificate errors occur when you are trying to open a website with a faulty certificate. You will receive these errors in the form of pop-up dialog boxes. You can stop certification errors by stopping your web browser from checking for server certificate revocation.
Click the Start menu, and select "Control Panel." Click to switch to "Classic View" on the left pane.
Double-click "Internet Options."
Click the "Advanced" tab.
Scroll down the list until you find the subheading for "Security."
Click to remove the checkmark next to "Check for publisher's certificate revocation."
Click to remove check-mark next to "Check for server certificate revocation."
Click "Apply," and hit "OK." Relaunch your Web browser to ensure that you do not get any more certification error messages.