Use this tip to close all opened applications quickly. Click the Start-Run menu, type Taskman, and then click OK to open the Task Manager application. Press and hold the SHIFT key, click the first application from the list, click the last application, and then click the Windows - End Task menu. You can also create a shortcut to the Task Manager in the Start menu.
Are you tired to close your running applications one by one? Just select Shutdown from the Start menu and pick the "Close all programs and log on as a different user?" option. Then log back on as the same user.
