When User Access
Control (UAC) is enabled on devices running Windows 8, Windows 7, or Windows
Vista, only processes at the same elevation/integrity level as wfcrun32.exe can
launch virtual applications.
When wfcrun32.exe is
running as a normal user (un-elevated), other processes such as Receiver must
be running as a normal user to launch applications through wfcrun32.
is running in elevated mode, other processes such as Receiver, Connection
Center, and third party applications using the ICA Client Object that are
running in non-elevated mode cannot communicate with wfcrun32.exe.