Microsoft Security Essentials(MSE) is the free antivirus software providing by Microsoft at free of cost for genuine
Windows 7, genuine Windows Vista & genuine Windows XP users. Microsoft Security Essential (MSE) is Microsoft’s latest antivirus software. It is particularly designed for individual consumer computer using the nominal resource footprint possible to provide complete anti-malware protection and it also includes a firewall to protect you while browsing the Web Microsoft Security Essentials(MSE) regularly downloads updates to the virus definition files that are used to recognize virus, malwares, spyware, and other potentially unwanted software.
In few conditions we may need to disable Microsoft Security Essentials(MSE) in order to install other software.
Simple steps to disable Microsoft Security Essentials(MSE):-

- Click on start button
- Then open Microsoft Security Essentials(MSE)
- When the application opens, go to the "Settings" tab.
- Then select “Real-time protection” (on the left side of the window).
- Click the check box next to "Turn on real-time protection (recommended)."
- Then click Save changes button.
1. Disabling your antivirus software is that it’s a very bad idea. It might be a disaster for your system. I suggested to Re-enable Microsoft Security Essentials as soon as possible to safeguard your computer.