A、Restart Microsoft Internet Information Services (IIS). Then click the Install hyperlink again.
B、Open Visual Studio command prompt and run mage -cc. Then click the Install hyperlink again.
C、Delete the application, deployment, and executable files from Web Server. Then rebuild the XBAP solution files from the project bin directory to the Web Server and click the Install hyperlink again
D、Delete the application, deployment, and executable files from Web Server. Then recopy the same files to the Web Server, restart IIS and click the Install hyperlink agai