Master how these viruses can not delete ah?

Users questions:These days my machine always been a virus attack, I was Jiangmin antivirus installed, and today the Internet to download a free antivirus oriental guards, but some still can not remove the virus. Will the virus known as: Backdoor * SdBot.lm and Win32 * IRCBot.worm.90112.F virus how to delete?
Experts answer: Log safe mode, remove to see!
  • This information provided by the users.Thanks!