Anti virus

Trojan.DNSChanger virus in Windows Registry..?
i have scanned using malwarebytes' Anti-malware..and it detects the above vius in my windows registry%26hellip;now if i remove this virus then it will delete preferred DNS server number in TCP/IP%26hellip;and my internet connection stops working%26hellip;also whenever i enter the prefered DNS server number then internet connection works but the above Antivirus detects trojan.DNSChanger virus in windows registry..what should i do to solve this problemm???? Related Posts Windows XP Registry Problem? Somehow t