Situation; Windows 10 computer has a problem to install Windows update with error code: 0x80070424
Troubleshooting: 1. Check the security software such as anti virus, malwarebytes. Paherps, you need to install the latest upadte.
2. If the anti virus has an issue or can’t run it, it could malware issue. Clean the malware first.
3. Download and install Windows Update Assistant from Microsoft. This step by step video may help: