Microsoft would like to remind the community that support for Windows Embedded Standard 2009 ended January 10, 2019 and that support for Windows Embedded POSReady 2009 will end on April 9, 2019.
For customers still maintaining these platforms, Microsoft recommends that you consider moving to Windows 10 IoT Enterprise or Windows 10 Pro. If you are an Enterprise Customer and need information on upgrading, please contact your Original Equipment Manufacturer (OEM) or Microsoft Authorized Distributor. If you are an OEM and need additional information, please contact your Microsoft sales representative or Distributor.
For information about the Windows Embedded support lifecycle, please see the Windows lifecycle FAQ.
Source: Support update for Windows Embedded Standard 2009 and Windows Embedded POSReady 2009 - Microsoft Tech Community - 327539
The persistence of these products was instrumental in maintaining updates for folks holding dearly onto XP.
A simple registry patch allowed continued security updates for XP past the end of extended support for that OS, by fooling Windows Update into thinking that the XP installation was actually POSReady 2009.
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