Processes in Microsoft 365 for setting up Office apps, redeeming product keys, and activating licenses.
Sounds like a problem in Word that we would try to trouble shoot by stopping addins from running, but I couldn't find a tip on how to do it in powerpoint.
In 1 (or many) tips I read they suggested your "save first, close second" approach. Personally I would use <CTL F4> to close rather than mousing ...
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http://office.microsoft.com/en-us/outlook-help/learn-where-menu-and-toolbar-commands-are-in-office-2010-HA101794130.aspx - Silverlight applets Mapping 2003 menu to 2010 ribbon for all Office apps.
http://office.microsoft.com/en-us/training/HA102295841033.aspx -Flash Applets mapping Office 2003 menus to 2007 ribbon.