Yesterday, Microsoft has released a troubleshooting post for the users facing error code 0x80070424 in Windows 7 & 8. This hotfix is applicable for troubleshooting Windows Update, Microsoft Update & Windows Firewall. This is well known issue and its solution is asked frequently by the users on various forums across the globe. So in order to fix all the woes, the official troubleshooting steps has been rolled out, which significantly look for the issues and their causes and applies the corresponding fix to them at once.
Error code 0x80070424, is basically the issue related to Base Filtering Engine Service. So the error when prompted on your computer, most probably there is something wrong with Base Filtering Engine Service registry which is located at HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BFE.
Now since the corruption is related this registry key specifically, you can export it from another computer which isn’t having any issue and then add it to the issued computer. After that, you need to modify the permissions for this registry key and give full control to everyone. Till date, this was the common and technical approach to resolve this problem, however it was tedious to follow. But now since the hotfix has been issued by Windows team at Microsoft, you have the simplest steps to follow, which involves:
1. Run the Windows Update Troubleshooter
2. Run the fix-it to restart necessary services and register additional DLLs
3. Restart Windows Services
4. Download and install the Windows Update Agent
5. Run the Windows Firewall fix-it
You can get the fixes from the following support article:
Get Fixes For Error Code 0x80070424 [Microsoft Support]
After following the steps mentioned in above linked support article, your issue should be fixed.
Hope this helps!