Windows 11 Update KB5065789 Error Your Device Is Missing Important Security Updates FIX

This message appears when Windows Update fails to apply KB5065789 and flags your system as being out of compliance with security requirements.
In other words, Windows believes that your PC is missing a critical patch because the update wasn’t installed successfully.



Common Causes

1. Failed or Incomplete Installation
• If KB5065789 was downloaded but the installation was interrupted (e.g., power loss, restart, crash), Windows reports it as missing.

2. Corrupted Windows Update Cache
• Temporary update data in the SoftwareDistribution or Catroot2 folders may be corrupted, making Windows misreport security patch status.

3. Missing Prerequisite Updates
• KB5065789 may depend on earlier cumulative updates or Servicing Stack Updates (SSUs). If those aren’t installed, the update cannot be applied.

4. Damaged or Missing System Files
• Corruption in system files (DLLs, manifests, or registry entries) can prevent the update from verifying or completing.

5. Disabled or Misconfigured Update Services
• Essential services like Windows Update, Windows Modules Installer, and BITS must be active. If they’re disabled or malfunctioning, installation fails.

6. Third-Party Interference
• Antivirus software, firewalls, or VPNs may block update processes or file changes, leading Windows to think the update is missing.

》 CHAPTERS 《

00:00 Intro
00:18 Solution 1
01:18 Solution 2
03:21 Solution 3
04:13 Solution 4 Receive SMS online on sms24.me

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