Windows 10 crash: Microsoft admits June updates trigger reboots

Quelles sont les nouvelles fonctionnalités de sécurité de la mise à jour Windows 10 mai 2020 ? Cybersecurity

Microsoft has admitted that this month’s Windows 10 Patch Tuesday updates are causing further problems, such as crashes due to a failure of the Local Security Authority Subsystem Service (LSASS) file, named lsass.exe.

The company has confirmed this new bug in KB articles for Windows 10 updates version 1809 (KB4561608), version 1903 and version 1909 (KB4560960), and version 2004 (KB4557957).

Microsoft also notes that the June 16 out-of-band update – which fixed printers that stopped working after installing Tuesday patch updates – is affected by this failure of the LSASS file.

A fix in progress

“The Local Security Authority Subsystem Service (LSASS) file (lsass.exe) may fail on some devices with the following error message:” A critical system process, C: WINDOWS system32 lsass.exe, failed with status code c0000008. The machine must then be restarted, “says Microsoft.

Microsoft says it is working on a patch that will be delivered in a future update. He did not confirm whether the LSASS problem affects earlier versions of Windows 10.

If the June updates seem to be the cause of LSASS restarts, Bleeping Computer points to a user report at the end of May on machines running Windows 10 version 1809 having displayed the error code described in the known problems of Microsoft. “The event log shows that LSASS.exe crashed on first start with error c0000008 and that all the services failed to authenticate afterwards, which probably caused the crash” writes the user.

Resumption of the weekly patches

It’s not known when the update will arrive, but Microsoft restarts its unsecured optional update system – weekly versions C and D – in July, after pausing them in March to reduce the burden on IT administrators during the coronavirus epidemic.

Optional versions will only be available for Windows 10 and Windows Server, version 1809 and later. They give administrators the opportunity to test non-security fixes that will be available in the next month’s Tuesday Tuesday update, or version B.

Microsoft is now calling versions C and D of Preview versions, which will be delivered the third week – called week C – of each month. IT professionals who use Windows Server Update Services (WSUS) to manage updates will no longer see Preview or C versions for Windows 10 or Windows Server in the WSUS channel.

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