Solution to Error: Bug in Windows 8.1 Update 1 with ModernUI app icons in Task Bar

Bug in Windows 8.1 Update 1 with ModernUI app icons in Task Bar

There are some times when I close a ModernUI app using a method that may not be common, in this case, the Windows Task Manager.
So I would load a ModernUI app, for example...
PC Settings.  I would then load the Windows Task Manager (the built-in one, not a third-part task manager such as Process Explorer by SysInternals).  I would then find the program's task and then right-click
on it and choose "End task".  The full-screen window disappears as you would expect it to disappear but here's where the bug shows, the icon for PC Settings still stays in the Task Bar.  I have to hover over the icon with my mouse, let Aero Peek appear, and
then click the X button there to have the icon disappear from the Task Bar.
Sometimes I have to close an app this way because it locked up.  I mentioned PC Settings because this seems to be an app that leaves its icon behind on the Task Bar when you force close the task in Task Manager.
This doesn't always happen, it seems that at random this bug will happen.  It's like the Task Bar isn't informed of the closure of the ModernUI app.
Does this make sense?

Anwsers to the Problem Bug in Windows 8.1 Update 1 with ModernUI app icons in Task Bar

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