Are you unable to install an app from Windows store? Is your Windows store showing you the below error?
Something happened and this app couldn’t be installed. Please try again. Error code: 0x80073cf9
If your answer is YES and you have encountered this error message then you must fix this error 0x80073cf9 soon to start installing the apps again
Basically when you get this error, it means that it blocks the users from installing then applications from Windows 10.
This irritating error can be fixed by applying some tricks that given in this article, but it is recommended to create a System Image Backup in Windows 10. This will help you to deal with any other issue that generates while applying the given solutions.