I had the following errors while debugging an empty Blank Metro Style Application...
1>Updating the layout...
1>Checking whether required frameworks are installed...
1>Framework: Microsoft.WinJS.1.0/neutral, app package version 1.0.9200.20512 is not currently installed.
1>Installing missing frameworks...
1>Error : DEP0800 : The required framework "C:\Program Files (x86)\Microsoft SDKs\Windows\v8.0\ExtensionSDKs\Microsoft.WinJS.1.0\1.0\Microsoft.WinJS.1.0.appx" failed to install.
1>error 0x8007064A: Cannot register the Microsoft.WinJS.1.0_1.0.9200.20512_neutral__8wekyb3d8bbwe package because the following error was encountered while initializing the windows.repositoryExtension extension: The configuration data for this product is
corrupt. Contact your support personnel.
1>.
1>Deployment of the application to the target device failed.
Reinstalling the VS RTM and Microsoft.WinJS did not help.