disable IE secure and nonsecure items prompts...
if you are annoying by the following IE prompt while browsing some secure sites where a page contains both secure stuffs using https also nonsecure stuffs using http in the same page:
go to IE's menu bar, at Tools -> options , under Security tab, for Internet, Local Intranet, Trusted Zones, by each setting its custom level, and under "Display mixed content" section, change "Prompt" to "Enable" and you are done! as the following image:
FYI.