Enabling Windows Taskmanger and Registry

Enable Windows Task Manager

First, Open Notepad

then copy below text to notepad,

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableTaskMgr"=dword:00000000

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\LocalUser\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableTaskMgr"=dword:00000000
"**del.DisableTaskMgr"=" "

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\system\]
"DisableTaskMgr"=dword:00000000

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon]
"DisableCAD"=dword:00000000

into notepad then File-> Save

When you save, change File type to All Files from Text Document
then save files as "Taskmanager Enable.reg" not *.txt [without quotes]

and for Restoring the Registry,
do as above,

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Applets\Regedit]

"View"=-
"FindFlags"=-
"LastKey"=-

Save as restoreregistry.reg

To Disable the Registry Tools

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableRegistryTools"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\LocalUser\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableRegistryTools"=dword:00000001

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoSaveSettings"=dword:00000000

Save as disableregistrytools.reg

To Undo or enable Registry Tools

Windows Registry Editor Version 5.00

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableRegistryTools"=dword:00000000

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"**.del.DisableRegistryTools"=-

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\LocalUser\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableRegistryTools"=dword:00000000

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Group Policy Objects\LocalUser\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"**del.DisableRegistryTools"=-

[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoSaveSettings"=dword:00000000

disableregistrytoolsundo.reg

Registry and Task Manager can damage from Virus attacks, they will get disabled, by this way you can enable the Registry and task manager.

Invaild Data Fix for WinXP

This error appears to be due to a protection problem in the Windows registry and can occur with a variety of drivers (sound cards and SCSI drivers have been reported). To fix this problem, go to Start, Run... and type "regedit" without the quotes to run the Registry Editor. Navigate to

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\ENUM\PCI

and you will see a number of keys of the form "VEN_xxxx", where xxxx are strings like "1102&DEV_0004&SUBSYS_00011103&REV_04".

Under each of these folders will be another folder with a long numerical name.

Open each folder and look for the "DeviceDesc" which matches the hardware you are trying to install.

Right Click on the "VEN_xxxx" for that device and select 'Permissions' and then tick "Allow" for "Full Control". Close Regedit and then continue with the installation of your device.

I cannot guarantee it works for everyone, but although I swear by it after swearing at it(XP), it should help you if you ever had casual problem.

How to Export and Import Registry File Before Editing ?

This is an important tip about the back up of your System's Registry. Make sure before modifying your system Registry about its backup because Registry contains all the information on how your system runs. This backup will help you to restore Registry in case any problem occurs after modifying.

For that,You can backup the whole Registry and also Registry subkeys.
Press Win+r then type "regedit" in Run box and click Ok button. Here you can export the whole Registry or you can locate the required subkeys that contain the information that you want to edit.

Go to File menu option or right click then click on Export option for backup and save it with on any your system drive with .reg extension and you can restore this backup going File menu using import option.

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