VIRUSES HAVE PROVED TO BE DANGEROUS FOR MANY PEOPLE.THEY JUST DON'T HANG-UP YOUR COMPUTER BUT THEY DO DESTROY YOUR DATA OR SOMETIMES EVEN EAT UP WHOLE HARD DISK.
IT IS RECOMMENDED THAT YOU SHOULD USE AN OFFICIAL SOFTWARE INSTEAD OF USING ANY FREE OR PIRATED SOFTWARES BECAUSE SUCH SOFTWARES ARE MORE PRONE TO VIRUSES AND MALWARES AND DO NOT DOWNLOAD ANY TRIAL SOFTWARES BECAUSE THEY ALREADY CONTAIN SOME VIRUSES AND THEY JUST SHOW YOU THAT HOW MANY VIRUSES ARE THERE IN YOUR PC WHICH ARE ACTUALLY NOT.THIS IS DONE TO INCREASE THE SOFTWARE PURCHASES
BEST SUGGESTION IS TO BUY QUICK HEAL TOTAL SECURITY AND YES YOU SHOULD UPDATE IT AND RUN SCANS ATLEAST ONCE A MONTH,RECOMMENDED AFTER TWO WEEKS.
IF YOU WISH TO HAVE FREE ANTI VIRUS THEN YOU CAN DOWNLOAD AVG WITH SPYBOT-SEARCH AND DESTROY THEY WILL KEEP YOU 60% AWAY FROM VIRUSES BUT NO GUARANTEE.
ANY PURCHASED SOFTWARE GIVES YOU GURANTEE OF 80%-90%
AND YES IF POSSIBLE DO KEEP A BACK UP OF YOUR DATA WITHER ON ANY SERVER OR DISK. PRECAUTION IS BETTER THAN CURE
