Solve 0x80073cf9 error in Win8 app store

  
Open Win8 App Store, when installing Win8 app, if this app does not install – View details, there is a problem, this app can not be installed. please try again. Error code: 0x80073cf9

This happens, it may be some cleaning software, when cleaning empty folders, the auinstallagent folder is also deleted!
The solution is very simple: in C:Windows The auinstallagent folder can be created.

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