S.Rajeshwari, V.Saravanan
Today maintaining computer system is a big challenging task, since the virus programs easily spreads to the computer via pen drive, floppy disk, optical disks, Local network and Internet connections…etc. Other reasons like frequent power failure, unexpected mistakes done by users like deleting, editing and configuring of system files and system instability due to errors in various hardware will corrupt the files and the data loss may occur. In this paper we have given solutions and suggestions for maintaining computer systems without using antivirus software. Our suggested solution minimizes the impact of the above said factors and makes the computer systems work reliable.