Running Parallels on a fully updated Mac Mini Computer was slowing down and spinning the multi-colored wheel for no particular reason at any time. Activity meter showed persistant Parallels activity, so I did a Parallels uninstall, then downloaded & installed the newest version. Since then my system log shows this constantly 26/05/12 4:16:44.736 PM prl_fsd: prl_tg driver is not loaded. 26/05/12 4:16:44.736 PM com.apple.launchd: (com.parallels.vm.prl_fsd[356]) Exited with code: 255 26/05/12 4:16:44.736 PM com.apple.launchd: (com.parallels.vm.prl_fsd) Throttling respawn: Will start in 10 seconds 26/05/12 4:16:54.756 PM prl_fsd: prl_tg driver is not loaded. 26/05/12 4:16:54.756 PM com.apple.launchd: (com.parallels.vm.prl_fsd[357]) Exited with code: 255 26/05/12 4:16:54.756 PM com.apple.launchd: (com.parallels.vm.prl_fsd) Throttling respawn: Will start in 10 seconds The 'prl_fsd: prl_tg driver is not loaded.' line was appearing even with Parallels uninstalled. Thanks in advance