Version 2 of Windows Security Essentials has been released but I have noticed that many times it did not automatically upgrade.
By going to the following web site and downloading, it will upgrade. It takes a few minutes. After installing and rebooting it will ask you to update the latest definitions.
Link to Web Site
I too have noticed in some cases that it does not shut off Windows Defender. Windows Defender should be disabled by default when running Windows Security Essentials.
Below is some info about Windows Defender.
Link About Windows Defender
In short if your are running Windows Security Essentials, make sure that Windows Defender is disabled.
By going to the following web site and downloading, it will upgrade. It takes a few minutes. After installing and rebooting it will ask you to update the latest definitions.
Link to Web Site
I too have noticed in some cases that it does not shut off Windows Defender. Windows Defender should be disabled by default when running Windows Security Essentials.
Below is some info about Windows Defender.
Link About Windows Defender
In short if your are running Windows Security Essentials, make sure that Windows Defender is disabled.