Why was the Taskbar Peek feature permanently disabled after the August 2016 update?

[Windows Central Question]

After the August 13, 2016 Windows 10 update, several problems developed. One was that the Taskbar Peek feature was not working. I right clicked on the taskbar, and went in to enable it, however to my surprise the box you click on was a FADED pale grey color and even still showed the previous check mark in it. In other words, there is no way I can enable the Peek feature. Now what can I do to make the Peek feature usable again?

 

[Chintan Gohel]

After the August 13, 2016 Windows 10 update, several problems developed. One was that the Taskbar Peek feature was not working. I right clicked on the taskbar, and went in to enable it, however to my surprise the box you click on was a FADED pale grey color and even still showed the previous check mark in it. In other words, there is no way I can enable the Peek feature. Now what can I do to make the Peek feature usable again?

check for OS updates again or try this: SFC Scan: https://support.microsoft.com/en-us/kb/929833

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