Windows 11 Update KB5070773 Error Your Device Is Missing Important Security Updates FIX
This message appears when Windows believes a required security update (in this case KB5070773) was not successfully installed or is not recognized as being installed, even if the system appears “up to date.” It indicates that the OS thinks you are missing critical patches, which can interfere with future updates or cause system alerts.Common Causes
Incomplete Installation or Pending Reboot
The update may have been downloaded and partially installed but never finalized (e.g., due to a reboot being required). Windows flags the system as missing updates.
A previous update could be stuck in “pending” or “failed” status, blocking recognition of KB5070773.
Corrupted Windows Update Cache or Component Store
Folders like SoftwareDistribution or Catroot2 may contain corrupted or incomplete data, causing Windows to mis-report missing updates.
The servicing stack or component store (WinSxS) may be damaged, interfering with update validation.
Unsupported Versions or Build Mismatch
If your system is running an older build of Windows 11 or a version not fully supported—or if it was upgraded using workarounds—Windows may not correctly register the new update, triggering the “missing” message.
Disabled or Misconfigured Update Services
If services like Windows Update (wuauserv), Background Intelligent Transfer Service (BITS), or Windows Modules Installer are disabled, the update cannot complete properly.
Microsoft Learn
Third-Party Software Interference
Antivirus software, system optimizers, or misbehaving background apps may block update operations or prevent the update status from being correctly recorded.
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》 CHAPTERS 《
00:00 Intro
00:26 Solution #1
03:29 Solution #2
04:36 Solution #3
06:02 Outro Receive SMS online on sms24.me
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