This application will scan and remove software that may cause problems with Chrome, such as crashes, unusual startup pages or toolbars, unexpected ads you can't get rid of, or otherwise changing your browsing experience.
We're no strangers to unwanted toolbars and browser-hijacking malware. Neither is Google. The company has released a tool that helps combat the problem by scanning for bad software and (optionally) resetting your browser if it's misbehaving.
Malicious Software Removal Tool: It records its results in a log file located at %windir%\debug\mrt.log. To run it manually at other times, users can start "mrt.exe" using the Windows Command Prompt or Run command in the Start Menu.