As part of its most recent updates, the Windows team has provided some working fixed and updates for issues related to the taskbar. So, if the taskbar works incorrectly or is duplicated in Windows Server 2012 R2 and Windows 8.1, the fix is here.
Here’s how the official issue has been described – “The taskbar does not work correctly on a computer that is running Windows Server 2012 R2, Windows 8.1, or Windows RT 8.1. In some cases, the taskbar remains on the screen for longer than expected or there may be a duplicate taskbar.” But what’s really awesome is that the fix has been provided via the traditional Windows Update.
Problems fixed with taskbar functionality in Windows 8, 10
So, make sure you install update rollup 2984006 when you perform the latest Windows Update check. install update rollup 2984006. As always, the update applies to the following operating systems – Windows Server 2012 R2 Datacenter, Windows Server 2012 R2 Standard, Windows Server 2012 R2 Essentials, Windows Server 2012 R2 Foundation, Windows 8.1 Enterprise, Windows 8.1 Pro, Windows 8.1, Windows RT 8.1.