NirCmd is another great free utility from NirSoft. It allows for special commands to be run in Windows. It's available for download here.
So for example, if you CTRL + SHIFT right click in the folder containing, the nircmd.exe, and then enter this comand:
nircmd.exe win close class "IEFrame"
. . . any open instances of internet explorer will be closed.
NIrsoft has posted a long list of commands that can be used with this utility on the download page. These include closing all Windows explorer windows:
nircmd.exe win close class "CabinetWClass"
. . . copying the content of a text file to c clipboard
nircmd.exe clipboard readfile "c:\foofolder7\cities.txt"
clearing the clipboard;
nircmd.exe clipboard clear
. . . and speaking the text currently copied to the clipboard:
nircmd.exe speak text ~$clipboard$