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  "path": "/news/microsoft/microsoft-confirms-backup-failures-caused-by-vulnerable-driver-block/",
  "publishedAt": "2026-05-04T10:40:11.000Z",
  "site": "https://www.bleepingcomputer.com",
  "tags": [
    "Microsoft"
  ],
  "textContent": "Microsoft has confirmed that the April 2026 security updates are causing failures in third-party backup applications using the psmounterex.sys driver. [...]",
  "title": "Microsoft confirms April Windows updates cause backup failures"
}