msc.exe is a malicious executable file, so you should be concerned after discovering it on your computer. The appearance of this executable reveals that computer is affected by MaCatte Antivirus 2009. The primary purpose of msc.exe is to start this parasite or launch some of its components. Once executed, the msc.exe file runs a process that is responsible for the parasite's payload. The clearest sign showing that your computer was affected by MaCatte Antivirus 2009 is continuous pop-up ads that may start interrupting you every time when you start your browsing. Please, stay away from these ads no matter how trustworthy they look! If they have just informed you that your computer is dangerously infected and that you need to purchase the licensed program's version, you should run a full system scan with updated anti-spyware and remove Msc.exe-related parasite. For that you can easily use Reimage.
We recommend using automatic removal method instead of manual removal method for one important reason – sometimes, on rare occasions, such files as msc.exe are used by fully legitimate programs and are considered to be a significant part of the operating system. For avoiding elimination of useful system components, you should opt for automatic removal tools, such as the one that was mentioned before.