Looks like an app package signature error. Take a look at this article
UWP failed install: 0x800701c9
Hello:
I am tylorsenna. Recently when i install UWP package, system show an error:
The AppX deployment operation of the package HuaweiPC.Huawei-Histen_1.0.39.0_neutral_~_jc7rjcb91gpb6 failed with the error 0x80073CF6. The specific error text of this failure is: Error 0x800701C9: When preparing to process the request, the system cannot register the windows.capability extension due to the following error: There is no authorization entity element in the SCCD that matches the application being installed; the PFN does not match, or the element’s The signature hash is not verified.
So i need your help.
Best Regards!
TylorSenna.