How do you close windows

How do you close multiple windows from the minmized click-ons in the tasbar? Left clicking gives you a list of open programs then you have to click each one to close them. How can you close say 5 of ten at once?

 

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http://pcsupport.about.com/od/quicktips/qt/closeallwindows.htm

Simultaneously Close All Open Windows
"Have you ever been on a troubleshooting expedition and needed to shut down all the running applications on a system before you could proceed? More than likely, you probably accessed each window and manually shut down the application.

If you have ever had to do this on a system that had multiple windows open at the same time, you know how time-consuming it is to manually shut down each application's window. Wouldn't it be great if you could quickly shut down all running applications at the same time? Here is how to implement this trick:

While pressing the [Ctrl] key, successively click each of the task icons on the taskbar.
Right-click the last task icon, and choose Close Group.
When you select the Close Group command, Windows XP initiates a standard exit procedure for each open application. If any application has unsaved information in an open document, the application will prompt you to save the document before it closes."
Hope this helps!
Toni

 

When I click on a task icon such as "Internet Explorer" and there are 10 running I want to be able to choose to close say 5 of them without having to close one at a time. Normally you click on one then press control and click on another the just close them all at once. But that won't happen.