vulnerable driver blocklist

  1. 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