Windows Update Error Code 0x80070424 frequently appears when a required system file isn’t properly registered, preventing your system from updating. It typically occurs while updating through Windows Update Standalone Installer (Wusa.exe) or the Windows Update section in Settings.
This guide explains the steps to fix it.
Work through these methods in order to resolve Error Code 0x80070424.
Here’s how to fix it:
Type “cmd” in the Windows Start menu search, right-click Command Prompt, and select “Run as administrator.” In the window that opens, type sfc /scannow and press Enter. The scan may take a few minutes to complete.
A corrupted temporary file can cause this error. Press Win + R, type temp, and press Enter. Press Ctrl + A to select all items in the folder, then delete them. Alternatively, use the Windows Disk Cleanup tool: press Win + R, type cleanmgr.exe, press Enter, select the drive you want to clean, click OK, and choose the file types to remove.
Press Win + R to open Run, and enter each of the following commands separately:
regsvr32 Qmgr.dll /s
regsvr32 Qmgrprxy.dll /s
Restart your device after entering both commands, then try the update again.
Press Win + R, type services.msc, and press Enter. Find the Windows Update service, double-click it, and make sure the Startup type is set to Automatic and the service is running. If it’s not running, click Start, then click Apply.
Back up your files first — resetting Windows will remove your files and settings during the process.
Windows 10: Start → Settings → System → Recovery → Reset PC, then choose your preferred options.
Windows 11: Start → Settings → System → Recovery → Reset PC, then choose your preferred options.
If you’re still having trouble after these steps, our experts are here to assist you — Chat with a specialist — and they’ll give you the best results to fully resolve Windows Update Error Code 0x80070424.
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It’s usually caused by a required system file not being properly registered, or the Windows Update service being stopped or misconfigured.
They re-register Qmgr.dll and Qmgrprxy.dll, two system files Windows Update relies on — re-registering them resolves cases where these files became unregistered.
Yes. The Temp folder only holds temporary system and application data — deleting its contents is safe, and any file currently in use will simply be skipped.
Yes, depending on the reset option chosen — back up your important files and settings first, since this should be a last resort after other fixes.
