Through the context menu of the taskbar (as shown in the picture below), you are able to turn on or turn off toolbars (such as Address, Links, Desktop and Touch Keyboard), enter Taskbar Properties to change taskbar location and so forth. From another point of view, if other people are permitted to access your PC, they can complete the same settings with the help of the taskbar right-click menu, which may trouble you to some degree. Under such circumstance, you can take preventing them from accessing the menu into consideration. And this article will show you how to remove access to the context menu for taskbar in Windows 8 computer.
Video guide on how to remove access to taskbar's context menu on Windows 8:
Step 1: Enter Local Group Policy Editor.
Step 2: Find and open the "Start Menu and Taskbar" folder in User Configuration.
For your information, it is located in the Administrative Templates.
Step 3: Locate the "Remove access to the context menus for the taskbar" setting by rolling down the scroll bar, and then double-click the setting to open it.
Step 4: Be sure the setting is enabled. In other words, select Enabled and click OK.
Now, the access to the context menu for taskbar is successfully removed. That is, the context menu won't appear when any user right-clicks the blank area on the taskbar.
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