Windows & BSOD · high

How to fixWU-0x800f0988

Windows Update Error 0x800f0988

What this error means

This high-severity issue affects the Windows operating system. Windows Update fails to install cumulative updates, typically caused by system language pack mismatches, corrupted update package files, or incomplete servicing stack logs. Use the steps below to track down and fix the cause.

Before you begin

Save open work and back up important files. Note any recent driver or hardware changes. If Windows cannot start, use the startup guide first.

Work through these checks

0 of 3 complete
01Stop update services, purge the SoftwareDistribution cache, and restart services.

Stop update services, purge the SoftwareDistribution cache, and restart services..

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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02Uninstall any secondary or unused system language packs through Windows Settings.

Uninstall any secondary or unused system language packs through Windows Settings..

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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03Run DISM StartComponentCleanup to clear redundant and corrupted servicing cache files.

Run DISM StartComponentCleanup to clear redundant and corrupted servicing cache files..

Use the instructions for your exact device and operating system. Check the manufacturer’s documentation before changing firmware, hardware, or system settings.

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Possible causes

  • Missing or corrupted delta update files inside the Windows Update cache directory.
  • Conflicting language pack parameters installed on the local system.
  • Corrupt database flags inside the Component-Based Servicing (CBS) transaction records.