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  • Reported problem with COM security patch KB 4018556 for WinXP Embedded

    Posted on May 19th, 2017 at 06:35 Comment on the AskWoody Lounge

    Just got this message, from Moldova:

    In our organization, we have many Windows XP desktops, that have been “moved” to Embedded, as to receive security patches (the process of upgrading of all machines is ongoing).

    We had no problems before. But this month the KB4018556 brought us a big headache!!!

    After installing and rebooting, many of our users (not all!) saw the winlogon error right on top of the logon window where the prompt for ctrl-alt-del appears.

    Users tried to restart their computers, and sometimes(!) after several restarts (3…9, maybe more) the system allowed them to log in. But sometimes not!!!

    Other computers may run normally a day or two, and then again could show the winlogon.exe error!

    After we remove this KB4018556 from all the computers, they went back to the normal state.


    Anybody else seeing this?

    PATCHES PULLED: While this patch was originally issued for Windows XP Embedded, POSReady 2009 and Windows Server 2008, it looks like Microsoft has pulled all versions except the one for Server 2008. Thx to Mr. Bond, and to DougCuk. The KB article now only mentions Server 2008.