Task Manager or Registry Editor Disabled?

Enabling Task Manager *you must have administrative access in your PC to do this.
Method 1
Click Start, Run and type this command exactly as given below: (better - Copy and paste)
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t
Method 2
Click Start, Run and type Regedit.exe
Navigate to the following branch:
HKEY_CURRENT_USER \ Software \ Microsoft \ Windows \ CurrentVersion \ Policies\ System
· n the right-pane, delete the value named DisableTaskMgr
· Close Regedit.exe


Method 3: Using Group Policy Editor - for Windows XP Professional
Click Start, Run, type gpedit.msc and click OK.
Navigate to this branch:
User Configuration / Administrative Templates / System / Ctrl+Alt+Delete Options / Remove Task Manager
Double-click the Remove Task Manager option.
Set the policy to Not Configured.
Enabling Registry Editor *Administrative access to PC requiredFrom a command prompt click START RUN and in the run box type CMD and press Enter.Copy the following codesREG DELETE HKLM\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryToolsIf the above code fails then tryREG DELETE HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableRegistryToolsif you don't know how to copy in DOS then just copy those above codes in RUN command and go....