* 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
Disable it
Source =
http://www.windowsnetworking.com/kba...XPHomePro.html
Or try this small utility
http://www.dougknox.com/xp/utils/xp_taskmgrenab.htm
Recommended for ur system :
Go here and follow the removal instuctions for registry entries of the trojan/virii...
http://securityresponse.symantec.com...aladinz.r.html
http://securityresponse.symantec.com...2.alcra.b.html