The certificate for this program is valid.
A certificate contains information that a specific software program is genuine. This ensures that no other program can assume the identity of the original program. Certificates are also dated when they are issued. When you try to download software, Internet Explorer verifies the information in the certificate and that the current date precedes the expiration date. If the information is not current and valid at the time of download, Internet Explorer can display a warning.
This program's publisher has obtained a certificate for this program, from a recognized certificate issuer, so that the authenticity of this program can be verified.
Any software or component you install can potentially harm your computer.
To view details about the certificate, click the underlined software publisher's name or program name in the dialog box.
Given what you know about this software, its publisher, and your computer, you must decide whether to proceed with installing and running this software. Additionally, if you trust this software publisher completely, you can choose to bypass this dialog box in the future for all software from this publisher that has certificates, and automatically install and run their software.
If, given this information, you still do not feel confident in installing this software, then click No.