Lets select default web browser.
PRL_RESULT PrlVmCfg_SetSharedAppsWebBrowser( PRL_HANDLE hVmCfg, PRL_TOOLS_SIA_OPEN_IN_TYPES nType );
PrlApiVm.h
PRL_RESULT. Possible values:
PRL_ERR_INVALID_ARG - invalid handle was passed.
PRL_ERR_SUCCESS - function completed successfully.