With Internet Explorer open, go to the Tools menu and then select Internet Options.
In the Internet Options window, select the Security Tab and click on the Trusted Sites icon. With the Trusted Sites icon selected, click on Sites.
On the following screen, uncheck (turn off) the option titled 'Require server verification (https:) for all sites in this zone'. Now, where it says 'Add this website to the zone', type out the address of
your DVR system and press ADD. You should see the DVR's address listed under 'Websites'. Click on Close.
Now, click on the Default Level button in the section titled 'Security level for this zone', and drag the option slider down to the level marked LOW. Click on OK, and select YES if prompted about
changing security options.