Navidad.worm is not detected by Norton Antivirus 2003, Panda, Mcafee 7.0 and QuickHeal6.08 but is detected by a Virus bustor floppy named Quickheal Express for DOS. I have only one floppy. The contents of the floppy cannot be seen and copied. Even if we copy the contents of the floppy still it asks for the floppy when the virus is detected on the system. And the floppy is not available in the market also. What can be done? If this virus is present, your computer will hang frequently and when you are working on a project and your system hangs, you feel like breaking the monitor glass with whatever you have in hand. If my floppy goes corrupt then? Where will I go to remove this Navidad.worm. My computer hangs frequently, I don't know what is the problem. I have latest antivirus with the latest updates. What can be done?