If you try to play Netflix on Safari using an external monitor/projector (either mirrored or extended), you may get this errror: Whoops, something went wrong... Display Error There appears to be a display problem. Please ensure your monitor is HDCP compliant and is not mirrored using Airplay. For additional assistance resolving this issue, please visit… Continue reading HDCP error in Netflix using Safari
For the odd computer here and there I've had LEGO Mindstorms get stuck on the splash screen (we're talking 10-15 minutes or more). A bit of trouble, but I've found going to /Library/Internet Plug-Ins and deleting the Silverlight.plugin, then reinstalling both Silverlight and LEGO Mindstorms seems to fix it.