Hi
yes bro that is caused by a virus/worm/spyware.. etc etc..
neways ..if you want to enable folder options then use these registry files..
http://rapidshare.com/files/10425006...nhide.rar.html
After this...
to enable task manager..
• Click Start
• Click Run
• Enter gpedit.msc in the Open box and click OK
• In the Group Policy settings window
o Select User Configuration
o Select Administrative Templates
o Select System
o Select Ctrl+Alt+Delete options
o Select Remove Task Manager
o Double-click the Remove Task Manager option
method 2(task manager)
copy this to a notepad and save as anyname.reg
Windows Registry Editor Version 5.00
[-HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\TaskManager]
To enable registry editor go to start>run paste this there and press enter
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Pol icies\System /v DisableRegistryTools /t REG_DWORD /d 0 /f