Vista versions with MCE can create problems for other solutions like GAM.
GAM recording service holding TV tuner related filters only when watching and/or recording.
MCE recording services assuming total control on the TV filters from the moment the TV tuner is configured.
MCE will try to activate the services with every opportunity it has - during windows startup, when running MCE and even when running one of the other MCE related services or utils.
As most of the TV tuner filters can only be used once per machine, GAM will not be able to use the TV tuner while MCE using it.
Some of the MCE services and utils running in user account, others in system account.
For GAM to use the TV tuner, all MCE related e*.exe apps and services for current user AND system user need to stop.