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    Use Sophos SafeGuard and Windows 10? Read before installing October Upgrade

    September 23rd, 2018 by

    Advisory: SafeGuard file encryption – Local Cache corruption interrupts Windows 10 update to version 1809 (Windows 10 October 2018 Update)

    When updating to the Insider Preview of Windows 10 October 2018 Update a.k.a. Redstone 5 / version 1809, the system may unexpectedly shut down due to a Local Cache corruption.

    This is known to happen when the following conditions are met:

    • At least one SafeGuard 8.10 file encryption module (File Encryption, Synchronized Encryption, Data Exchange or Cloud Storage) is installed, pure BitLocker clients and previous versions of SafeGuard are not affected.
    • The OS has been updated from a previous Windows version before and the “Windows.old” folder still exists.


    • Unexpected shutdown during the Windows 10 update
    • System not booting any longer

    The failed update may render the installation useless. In that case you can only re-image or freshly install the system again. The user data should be recoverable.

    Posted in Updates, Upgrades | No Comments »

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