Fix MSE Utility is a portable utility that will reset all the Registry and other settings of Microsoft Security Essentials to default value.

Microsoft Security Essentials is an excellent freeware antivirus offering from Microsoft. Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want - without interruptions or long computer wait times.

However, just in case anytime, you find that you are facing any issues in running Microsoft Security Essentials due to any reasons, simply run this utility. This application will restore all the registry values as well as service settings to the default one, without needing to install Microsoft Security Essentials again.