description of feature:

1. Type gpedit.msc in RUN or Start Menu Searchbox and press Enter. It'll open Group Policy Editor.

2. Now navigate to:

User Configuration -> Administrative Templates -> Desktop

3. In right-side pane, double-click on "Turn off Aero Shake window minimizing mouse gesture" option and set its value to "Enabled".

alternate method:

Browse to the following key:

(the Explorer key may not be there by default, just create it)

Make a 32-bit DWORD called "NoWindowMinimizingShortcuts".

Set the value to 1.