Woolwell, thanks. The best way I can describe it is that, when I open a program, the taskbar icon is not highlighted - it remains looking like a taskbar icon does when its program is not active. Beyond that: previously, if I had multiple Outlook items open, they would appear in a list when I hovered over the Outlook icon in the taskbar. Now, they don't. The net result is that if, for example, Outlook is 'hidden' on the screen by e.g. Chrome, when I click on the Outlook taskbar button, instead of restoring Outlook to be 'on top', it opens another copy of Outlook. Same with other programs.
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