I have been using a desktop computer which is installed with windows 7 recently i discovered a virus when i scanned my system using an online scanner. I looked up for a patch but can not find I rely on you for help. Please suggest me a suitable solution to get this problem resolved. I have been using the Avira Antivirus which is not detecting any sort of Virus or Trojan on my system. What to do in this case. Any help in this appreciated.