Folder Option Missing, Regedit & Task Manager disabled

Here is the solution for common annoying troubles done by most of viruses.
Now you can show folder option back and enabling registry editor as well as task manager..
Here is what you need to do:
Copy the following code,paste in any notepad and save as "EnableRegEdit.inf" . Right-click and install; your regedit will be enabled.(Be careful to copy the code exactly as presented here including everything.
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[Version]
Signature="$Chicago$"
Provider=Symantec
[DefaultInstall]
AddReg=UnhookRegKey
[UnhookRegKey]
HKLM, Software\CLASSES\batfile\shell\open\command,,,"""%1"" %*"
HKLM, Software\CLASSES\comfile\shell\open\command,,,"""%1"" %*"
HKLM, Software\CLASSES\exefile\shell\open\command,,,"""%1"" %*"
HKLM, Software\CLASSES\piffile\shell\open\command,,,"""%1"" %*"
HKLM, Software\CLASSES\regfile\shell\open\command,,,"regedit.exe ""%1"""
HKLM, Software\CLASSES\scrfile\shell\open\command,,,"""%1"" %*"
HKCU, Software\Microsoft\Windows\CurrentVersion\Policies\System,DisableRegistryTools,0x00000020,0
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To enable Folder Options, copy following code,paste it in any notepad and save as "folderoptions.reg" file. Double click it and your folder options will be restored.
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Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer]
"NoFolderOptions"=dword:0000000
[HKEY_CURRENT_USER\Software\Policies\Microsoft\Internet Explorer\Restrictions]
"NoBrowserOptions"=dword:00000000
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To enable Task Manager, copy following code,paste it in any notepad and save as "EnableTaskManager.reg" file. Double click it and your folder options will be restored.
_________________________________________________________________________
Windows Registry Editor Version 5.00
[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\System]
"DisableTaskMgr"=dword:0000000

source : http://forum.bullguard.com/forum/11/My-folder-option-missing--my-r_37013.html