Continuation of Microsoft Security Essentials on Windows XP after April 8, 2014


    Today I faced the cessation of Microsoft Security Essentials antivirus on Windows XP. As you know, on April 8, 2014, support for Windows XP ended, so Microsoft decided to disable the antivirus for this system. Messages that MSE will work for another year for this system did not materialize - the version 4.4.304.0 available as a distribution works, but the new version, which is automatically installed with security updates, turns off the antivirus and warns the user that The OS is outdated and it is time to get rid of it. But too many people use this system and this convenient antivirus, so I found a solution that allows the antivirus to work further.

    The solution to the problem was an undocumented key in the antivirus settings:

    [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Microsoft Antimalware\Signature Updates]

    At the moment, this is the first and only solution on the Internet, and it is completely legal, which can be quickly installed by users. Since April 9, system administrators expect a lot of calls that the antivirus has stopped working, and a quick solution is needed without replacing the antivirus. Keep in mind that to make this tweak you will need to set the rights to the registry branch, by default, writing to it is prohibited. You can also use my solution here , where this key is written to the registry without changing access rights, and the distribution itself is installed on Windows XP SP2 (necessary updates are included) and higher, on any architecture.

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