Prevent window shake from minimizing all other windows [duplicate]
In the "search programs and files" box type
gpedit.msc
right click on the search result and run as administrator
Go to User Configuration > administrative templates > desktop
In there at the bottom(-ish) you will see "Turn off aero shake window minimizing mouse gesture", double click it and make your selection in the window that opens
It requires you to edit the registry. Here is an article on how to do it.