I am facing sever problem with control pannle.I am using Windows 2000 professional OS, On a regular basis i check fort the updates with microsoft site. Recently i noticied all my installed software & updates patches in the contol pannel were missing, Only few software are seen where in for which i check for updates & install them on a regular basis. Only for thses few items the CHANGE /REMOVE bottons in the control pannel are greyed out. I am now not able to unistall these programs. I dont have an entry for these item in registry as well.