Internet Explorer IE11 - F12 (debugging) not working

There is a situation where, you installed IE11 freshly and try to open the debugging window by clicking F12, but shows error instead the HTML content,

here is the fix:

Download and install the below respective patch, restart and click on F12 to get the html content.

For 32bit system:
https://www.microsoft.com/en-us/download/confirmation.aspx?id=45134

For 64bit system:
https://www.microsoft.com/en-us/download/confirmation.aspx?id=45154

Hope this helps!