Task Manager disabled by malware
4.5
You press Ctrl+Shift+Esc and get a message saying "Task Manager has been disabled by your administrator."
Symptoms
- Access denied message
- Greyed out menu
- Cannot see processes
Possible Causes
- Malware hiding itself
- Registry policy change
Step-by-Step Fix
1
Use Group Policy Editor
Go to User Configuration > Admin Templates > System > Ctrl+Alt+Del Options.
2
Use Registry Editor
Search for "DisableTaskMgr" in the registry and set it to 0.
3
Use "Process Explorer"
A portable tool from Microsoft that malware often forgets to block.
When to See a Technician
Malware disables Task Manager so you can't see its high CPU usage or "End Task" on it.
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