Windows 11 Update KB5064081 Error Your Device Is Missing Important Security Updates FIX
When Windows shows “Your device is missing important security updates” for KB5064081, it means that the update could not be installed and Windows believes your system is missing critical patches required to keep it secure. It usually indicates a problem with Windows Update, system files, or required dependencies.1. Failed or Incomplete Installation
If KB5064081 failed during the installation process (e.g., due to interruption, crash, or forced restart), Windows flags the device as missing the update.
2. Corrupted Windows Update Components
The folders SoftwareDistribution or Catroot2, which store temporary update data, may be corrupted, causing Windows to misreport update status.
3. Missing Prerequisite Updates
Some cumulative updates depend on earlier Servicing Stack Updates (SSUs) or prior patches. If those aren’t installed, KB5064081 may not apply.
4. Damaged or Missing System Files
If key Windows files (DLLs, manifests, or registry entries) are corrupted, the update process may fail and trigger this message.
5. Disabled or Broken Update Services
Services like Windows Update, BITS (Background Intelligent Transfer Service), or Cryptographic Services must be running. If they’re disabled, the update can’t complete.
6. Antivirus or Firewall Interference
Third-party security software may block update downloads, prevent registry changes, or interfere with system file replacements.
7. Unsupported Build or Configuration
If you’re running an older build of Windows 11 24H2/23H2, or a system with modified files (registry tweaks, stripped-down versions), KB5064081 may fail to install.
Copy and paste this:
net stop bits
net stop wuauserv
net stop appidsvc
net stop cryptsvc
Del "%ALLUSERSPROFILE%\Application Data\Microsoft\Network\Downloader\*.*"
rmdir %systemroot%\SoftwareDistribution /S /Q
rmdir %systemroot%\system32\catroot2 /S /Q
sc.exe sdset bits D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)
sc.exe sdset wuauserv D:(A;;CCLCSWRPWPDTLOCRRC;;;SY)(A;;CCDCLCSWRPWPDTLOCRSDRCWDWO;;;BA)(A;;CCLCSWLOCRRC;;;AU)(A;;CCLCSWRPWPDTLOCRRC;;;PU)
cd /d %windir%\system32
regsvr32.exe /s atl.dll
regsvr32.exe /s urlmon.dll
regsvr32.exe /s mshtml.dll
regsvr32.exe /s shdocvw.dll
regsvr32.exe /s browseui.dll
regsvr32.exe /s jscript.dll
regsvr32.exe /s vbscript.dll
regsvr32.exe /s scrrun.dll
regsvr32.exe /s msxml.dll
regsvr32.exe /s msxml3.dll
regsvr32.exe /s msxml6.dll
regsvr32.exe /s actxprxy.dll
regsvr32.exe /s softpub.dll
regsvr32.exe /s wintrust.dll
regsvr32.exe /s dssenh.dll
regsvr32.exe /s rsaenh.dll
regsvr32.exe /s gpkcsp.dll
regsvr32.exe /s sccbase.dll
regsvr32.exe /s slbcsp.dll
regsvr32.exe /s cryptdlg.dll
regsvr32.exe /s oleaut32.dll
regsvr32.exe /s ole32.dll
regsvr32.exe /s shell32.dll
regsvr32.exe /s initpki.dll
regsvr32.exe /s wuapi.dll
regsvr32.exe /s wuaueng.dll
regsvr32.exe /s wuaueng1.dll
regsvr32.exe /s wucltui.dll
regsvr32.exe /s wups.dll
regsvr32.exe /s wups2.dll
regsvr32.exe /s wuweb.dll
regsvr32.exe /s qmgr.dll
regsvr32.exe /s qmgrprxy.dll
regsvr32.exe /s wucltux.dll
regsvr32.exe /s muweb.dll
regsvr32.exe /s wuwebv.dll
netsh winsock reset
netsh winsock reset proxy
net start bits
net start wuauserv
net start appidsvc
net start cryptsvc
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》 CHAPTERS 《
00:00 Intro
00:23 Solution #1
01:34 Solution #2
02:41 Solution #3
03:59 Solution #4
05:25 Outro Receive SMS online on sms24.me
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