http://www.f-prot.com/products/home_use/dos/ unzip to a created folder, name the folder fprot, copy the folder to your C: drive, boot of a bootable floppy, switch prompts to c: type cd/fprot , this opens the program folder then type f-prot enter, the programs has options to set the scanning modes you want to set delete any infected file. the scan , if no problems post again.