Windows & BSOD · medium

How to fix0x80240034

Windows Update Error 0x80240034 (Download Database Fail)

What this error means

Windows Update Error 0x80240034 (Download Database Fail) (0x80240034) is a medium-severity fault affecting the Windows operating system. This error occurs when the Windows Update client fails to download the update package because the download transaction metadata or database state is corrupted. Work through the steps below in order.

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
01Purge the SoftwareDistribution database and restart update services.

Purge the SoftwareDistribution database and restart update 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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02Run Windows Update Troubleshooter to clear download transaction metadata.

Run Windows Update Troubleshooter to clear download transaction metadata..

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 SFC /scannow command to verify system module integrity.

Run SFC /scannow command to verify system module integrity..

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

  • Stale metadata inside the Windows update catalog database.
  • Third-party software interference during update download initiation.
  • Corrupt software distribution folder transactions.