disaster recovery validation

  1. KB5083769 Blocks psmounterex.sys: Windows Update Breaks Backup Mount Restores

    Microsoft confirmed that Windows security updates released on or after April 14, 2026, including KB5083769, can break disk-image mounting and related restore workflows in Macrium Reflect, Acronis Cyber Protect Cloud, UrBackup Server, and NinjaOne Backup by blocking psmounterex.sys. The company...
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    • backup image mounting disaster recovery validation vulnerable driver blocklist windows security updates
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    • Forum: Windows News