My Web Sites folder is not displayed in Windows Explorer when you try to upload files to a website in Windows 7

Symptoms

Consider the following scenario:

You install Microsoft Expression Web 4 on a Windows 7-based computer that has Internet Explorer 8 or Internet Explorer 9 installed.
You open Expression Web 4, and then the HTML editor is triggered.
You save some html files by using the HTML editor. Then, the My Web Sites folder is automatically created in the My Documents folder to store the files.
You upgrade to Internet Explorer 10.
You try to browse to the My Web Sites folder in Windows Explorer to select some files that you want to upload to a website.

In this scenario, the My Web Sites folder is not displayed in Windows Explorer.

To resolve this issue, install the most recent cumulative security update for Internet Explorer. To do this, go to the following Microsoft website:

This update was first included in the following security update:

2838727 MS13-047: Cumulative Security Update for Internet Explorer: June 11, 2013
For more technical information about the most recent cumulative security update for Internet Explorer, go to the following Microsoft websites:

http://www.microsoft.com/technet/security/current.aspx

For more information about software update terminology, click the following article number to view the article in the Microsoft Knowledge Base:

824684 Description of the standard terminology that is used to describe Microsoft software updates

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.