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vulnerable driver blocklist

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    KB5083769 blocks Macrium psmounterex sys—backup image mounting fails on Win11

    Microsoft’s April 14, 2026 Windows 11 security update KB5083769, and the later optional preview update KB5083631, can stop some third-party backup tools from mounting disk images because Windows is now blocking vulnerable versions of the Macrium-associated psmounterex.sys kernel driver. That is...
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    • macrium reflect security updates vulnerable driver blocklist windows 11
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    • Forum: Windows News
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