KB5065426 Update Not Installing Error Code 0x80073712/0x800f0991/0x800f0831 Windows 11 FIX
Error 0x80073712/0x800f0991/0x800f0831 translates to:“The component store is corrupted, and a file needed by Windows Update is missing or damaged.”
This means Windows 11 is unable to install the KB5065426 cumulative update because the system cannot locate or validate all the files required for the update.
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Common Causes of Error 0x80073712/0x800f0991/0x800f0831
1. Corrupted Windows Component Store (WinSxS)
• The WinSxS folder holds all the files and manifests required to apply updates. If it’s corrupted, Windows can’t process KB5065426 properly.
2. Damaged or Missing System Files
• Critical system files may be missing or corrupted due to previous failed updates, sudden shutdowns, or malware.
3. Interrupted or Incomplete Past Updates
• If an earlier Windows Update was cancelled or failed mid-process, it may leave the system in an inconsistent state, blocking new updates.
4. Windows Update Cache Corruption
• The SoftwareDistribution or Catroot2 folders store temporary update data. If they contain corrupted or incomplete files, KB5065426 may fail with this error.
5. Disk Errors or Bad Sectors
• Hard drive/SSD issues can make required update files unreadable, causing 0x80073712.
6. Third-Party Antivirus or Security Software
• Overly strict antivirus/firewalls may block update processes or quarantine system files needed for the update.
7. Pending Servicing Stack Update (SSU)
• If the required Servicing Stack Update isn’t installed beforehand, cumulative updates like KB5065426 may fail.
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》 CHAPTERS 《
00:00 Intro
00:31 Solution #1
01:31 Solution #2
02:19 Solution #3
04:23 Solution #4
05:18 Outro Receive SMS online on sms24.me
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