While trying to download Apple iTunes using one of the common Internet browsers, you may encounter an error similar to the following example.

Secure Connection Failed swdlp.apple.com uses an invalid security certificate. The certificate will not be valid until 7/8/2008 5:06 P.M.(Error code: sec_error_expired_certificate)

This issue is caused when the date on your computer is incorrect, often set several months or years in the past. To correct these issues, set the date on the computer so that it is current.

Proper date and time set on computer and still get certificate error

If the proper date and time are set and you continue to get web certificate errors, it’s likely due to errors with your browser or the website. First, try clearing all your Internet history and consider testing with another Internet browser.

  • How to clear Internet browser history.

If problems persist, contact the webmaster or company for further suggestions and assistance in resolving these errors.

  • How to set or change a computer’s date and time.
  • See the certificate definition for additional information and related links.
  • Internet browser help and support.