We have already seen how to disable the default browser check for Firefox. Similarly if Internet Explorer is not the default browser on windows your system then you would be prompted with the following dialog box.
To stop this message appearing in future you can un tick the check box with label as Always perform this check when starting Internet Explorer. The other way to disable this check is by using the Internet Options menu. Click the Tools menu and select Internet Options from the available menu list.
Navigate to Programs tab and in Default web browser section and un tick the check box with label as Tell me if Internet Explorer is not the default browser.