yaar ye group policy mai problem hota hai....jaisay jaisay mai bta rha hou waisay karo
your problem will be solved
1. Verity that the "Local Group Policy" or "Domain Group Policy" doesn’t block you from using
"Task Manager".
1.1 "Local Group Policy"
a. Go to "Start" -> "Run" -> Write "Gpedit.msc" and press on "Enter" button.
b. Navigate to "User Configuration" -> "Administrative Templates" -> "System" -> "Ctrl+Alt+Del Options"
c. In the right side of the screen verity that "Remove Task Manager"" option set to "Disable" or "Not Configured".
d. Close "Gpedit.msc" MMC.
e. Go to "Start" -> "Run" -> Write "gpupdate /force" and press on "Enter" button.
Using SECEDIT to Force a Group Policy Refresh Immediately
1.2 "Domain Group Policy"
a. Contact you local IT support team.
2. Verity correct registry settings::
a. Go to "Start" -> "Run" -> Write "regedit" and press on "Enter" button.
Warning: Modifying your registry can cause serious problems that may require you to reinstall your operating system.
Always backup your files before doing this registry hack.
b. Navigate to the following registry keys and verity that following settings set to default:
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Policies\System]
"DisableTaskMgr"=dword:00000000
[HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Group Policy Objects\LocalUser\Software\Microsoft\Windows\Curre ntVersion\Policies\System]
"DisableTaskMgr"=dword:00000000
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\Curr entVersion\policies\system\]
"DisableTaskMgr"=dword:00000000
[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"DisableCAD"=dword:00000000
c. Reboot the computer.
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