Steps to fix certificate errors while accessing https://plus.site24x7.com in Internet Explorer (IE)
- Open IE as a user with administrative privileges.
- Click on the Certificate Error text at the top of the screen and select View Certificates.
- In the Certificate dialog, click Install Certificate > Next.
- Select Place all certificates in the following store > Browse.
- Check Show Physical Stores.
- Select Trusted Root Certificate Authorities – Local Computer.
- Restart your IE browser.