Summit the SMT on the Web page cannot start the application please contact the application vendor

"Problem description"

When you open SMT on a webpage, you are prompted to "cannot start the application." Please contact the application vendor for more information:

System.Deployment.Application.DeploymentException (Subscription)

-Cannot install this application because an identical application has already been installed ...

"Workaround"

Run rundll32 Dfshim cleanonlineappcache in Windows cmd and then turn on SMT, it should be.

Explain

Run the above command, should be clear the previous Onlineapp residual cache data

Summit the SMT on the Web page cannot start the application please contact the application vendor