Yes, sify is fairly tolerant on the antivirus issue ... else search the forum for ways to byp@$$ that 😉Though a word of advise, norton isnt really good, infact it's bad. There is a thread on good antivirus and firewall software, go through it. My recommendation - AVG 7.0 Free ... its freeware, and in the words of the Oreilly's PC hacks author - after changing to AVG, one feels as if one has doubled the RAM & upgraded the processor 😉Other good ones - Kaspersky, PC-Cillin