[Solved] Windows Update Error 0x80240034 Update Failed to Download

Problem: Windows 10 update failed with error code 0x80240034 when checking the Windows Update history.

Content Summary

Solution 1: Clear Windows Update Cache or Distribution Folder by deleting contents of Windows SoftwareDistribution folder
Solution 2: Update Windows 10 via ISO File

To fix Windows update error 0x80240034 with message update failed to download, perform the following steps:

Solution 1: Clear Windows Update Cache or Distribution Folder by deleting contents of Windows SoftwareDistribution folder

Step 1: Press Windows key once then type command prompt in the Windows Start Search.

Step 2: Right click Command Prompt from the search results and select Run as administrator.

Step 3: Type net stop wuauserv and press Enter.

Step 4: Type rmdir %windir%\SoftwareDistribution /S /Q and press Enter.

Step 5: Type net start wuauserv and press Enter.

Solution 2: Update Windows 10 via ISO File

Step 6: Go to Windows 10 Disc Image (ISO File) and click Download Tool Now.

Step 7: Click the option Use the tool to create installation media (USB flash drive, DVD, or ISO file)… and follow the instructions given in that section.

Step 8: Select the ISO file option.

Step 9: You should have an ISO file once you are done.

Step 10: Navigate to the location where you downloaded the ISO file.

Step 11: Right click Windows 10 ISO file and select Open with and then select File Explorer.

Step 12: Double click setup.exe

Step 13: Follow the on-screen instructions.

Step 14: Select either Nothing (clean install) or Keep personal files only option when asked.