It's possible that the "Turn off Aero Shake minimizing mouse gesture" Policy is somehow enabled in the system (via Group Policy Editor, or by a 3rd party program).
1. Click Start, type GPEDIT.MSC
2. Go to the following branch:
User Configuration | Administrative Templates | Desktop
3. Double-click "Turn off Aero Shake minimizing mouse gesture"
4. Set it to "Disabled", and click "Apply"
5. Set it to "Not configured", and click OK.
6. Exit the Group Policy Editor.
7. Logoff and login back.
The setting corresponds to NoWindowMinimizingShortcuts registry value, under the following branch:
Ramesh Srinivasan, Microsoft MVP [Windows Desktop Experience]
______________________________________________________________________________________________________ Ramesh, Windows Shell MVP 2003-2012. If this post resolves your issue, pls mark it as an Answer.
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