Task Manager is a program that helps you manage your work and personal tasks. It can be disabled on your computer if it causes system instability. This can prevent you from completing important tasks or causing problems with your computer. If you disable Task Manager, you may have to take some measures to make sure that it is still working properly.


There is a registry key that will disable Task Manager, although it’s not always clear how or why it was set to disable. In many cases the problem is related to spyware, so you should also scan your computer.

Why is task manager grayed out?

Manual Registry Hack

Open up regedit.exe through the start menu search or run box, and then navigate down to the following key:

 

On the right-hand side is a 32-bit REG_DWORD value named DisableTaskMgr with one of two values:

1 – Disable task manager 0 – Enable task manager

Just double-click and change the value, or even delete the key. The change should take place immediately.