Learn How to disable or enable Task Manager in Windows 7. Did you know that you can disable the Task Manager in Windows 7? This is quite handy when you must leave your computer in the hands of someone who doesn’t know what he is doing (a child or a colleague who is not very good with computers, for example). Disabling the Task Manager is done with a little registry tweak and here is how exactly.

First, we will open the Registry Editor. Open the Start menu, and enter Regedit in the Start menu search box, wait for the regedit.exe result and press Enter:

The registry editor will open:

In the left pane navigate to HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System:

In the right pane, right-click on any blank space and select New > DWORD (32-bit) Value. Name the value DisableTaskMgr:

Double click on it and a new window will appear:

To disable Task Manager set the value to 1. To enable it to set the value to 0 or delete the value DisableTaskMgr.

This will disable all way to access the Task Manager – Ctrl+Shift+Esc, Ctrl+Alt+Del and selecting Start Task Manager, Taskbar context menu:

And if you have a shortcut to the Task Manager you will get the following message:

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