Vista uses IE7 to access the https site. There is a problem with the security certificate of this website.

Windows IE uses IE7 to access the https site. Sometimes the "This site's security certificate has a problem..." error message suddenly appears. How should I solve this situation? What?
Solution
1. Open the IE7 browser and click on "Tools" --> "Internet Options" --> "Content" tab, as shown in Figure 1.
Figure 1 Enter the "Content" tab Click the "Certificate" button
2, click the "Certificate" button, the dialog box shown in Figure 2 appears.
Figure 2 Import Certificate
3. Click "Trusted Root Certification Authority" when you want to install the certificate type. Then click the "Import" button in the lower left corner to import the relevant certificate.