When executed in a computer, Google Chrome will be recognized as malware Win32/Zbot by MSE. Malware is known as a trojan virus that can steal passwords computer owners, especially when visiting certain sites. In addition, this malware also can reduce the security of a computer system, thus making it vulnerable to attack another virus.
Whether these things are done intentionally or not, Microsoft Security Essentials (MSE) identifies Google Chrome as an application dangerous and likely to contain a trojan virus. Furthermore, the MSE will remove the application from the computer completely.
Parties Microsoft said that it was purely a mistake. But unfortunately these errors has claimed many victims who must be willing to re-install google chrome again.