Windows Registry key for “check whether IE is the default browser”?

Question

In IE under Tools-> Internet Options -> Programs there\'s a checkbox labelled \"Tell me if Internet Explorer is not the default web browser.\" What\'s the registry key that

Answer 1

There are two keys:

• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.htm
• HKEY_LOCAL_MACHINE\SOFTWARE\Classes\.html

Change the Default Key value to: htmlfile or ChromeHTML

Not sure about Firefox, but if you set it here, you will not be asked.