In internet explorer, the users will get 'page cannot be displayed' error message intermittently when accessing a link.Issue <!-- div.margin{ padding: 10px 40px 40px 30px; } table.tocTable{ border: 1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); padding-top: .6em; padding-bottom: .6em; padding-left: .9em; padding-right: .6em; } table.noteTable{ border:1px solid; border-color:#E0E0E0; background-color: rgb(245, 245, 245); width: 100%; border-spacing:2; } table.internaltable { white-space:nowrap; text-align:left; border-width: 1px; border-collapse: collapse; font-size:14px; width: 85%; } table.internaltable th { border-width: 1px; padding: 5px; border-style: solid; border-color: rgb(245, 245, 245); background-color: rgb(245, 245, 245); } table.internaltable td { border-width: 1px; padding: 5px; border-style: solid; border-color: #E0E0E0; color: #000000; } table tr td { padding: 15px; } .title { color: #D1232B; font-weight:normal; font-size:28px; } h1{ color: #D1232B; font-weight:normal; font-size:21px; margin-bottom:-5px } h2{ color: #646464; font-weight:bold; font-size:18px; } h3{ color: #000000; font-weight:BOLD; font-size:16px; text-decoration:underline; } h4{ color: #646464; font-weight:BOLD; font-size:15px; text-decoration:; } h5{ color: #000000; font-weight:BOLD; font-size:13px; text-decoration:; } h6{ color: #000000; font-weight:BOLD; font-size:14px; text-decoration:; } hr{ border-top-width: 1px; border-top-style: solid; border-top-color: #cccccc; } ul { list-style: disc outside none; margin-left: 0; } li { padding-left: 1em; } --> Overview When users clicks on a link in a webpage in Internet Explorer that contains Frameset, the users will get 'Page cannot be displayed' error message. Additionaly, there will be following console errors SEC7111: HTTPS security is compromised by res://ieframe.dll/ErrorPageTemplate.cssSEC7111: HTTPS security is compromised by res://ieframe.dll/errorPageStrings.jsSEC7111: HTTPS security is compromised by res://ieframe.dll/httpErrorPagesScripts.jsSEC7111: HTTPS security is compromised by res://ieframe.dll/info_48.pngSEC7111: HTTPS security is compromised by res://ieframe.dll/bullet.pngSEC7111: HTTPS security is compromised by res://ieframe.dll/background_gradient.jpg Resolution Resolution for this issue is to get the latest security update from the Microsoft for Internet Explorer. Additional Information Refer the below article from Microsoft support which provides detailed explanations about the issue. Navigation fails when you click a link that uses a custom pluggable protocol to browse to a secure site in Internet Explorer 9