Hi, I'm Bernard. I'm happy to help!
The error 0x80073D02 is a Microsoft Store corrupted system file error. Moreover, may I know the particular KB number of the update you are trying to install? I'd appreciate it if you could also provide a screenshot of the error.
Note: This is a public forum. I may respond shortly, but I apologize in advance for any delays. I am simply a fellow user trying to provide helpful insights and information.