A bizarre Windows Defender yellow triangle confuses Creators Update users

As was expected with a project as anticipated as the new Creators Update for Windows 10, it isn’t exactly perfect. The new update, finally released by Microsoft after months of testing, seems to be causing various problems to the many users who’ve installed it. The sheer size of the new update is quite impressive and is one of the biggest updates Microsoft has released in a very long time, so no surprise that it comes with a few issues.

One service negatively affected by the Creators Update is Windows Defender, which now doesn’t perform as intended. The installation of the Creators Update prompted the appearance of a yellow triangle with an exclamation point that marks something wrong with the service.

User h0lyseat on Reddit addressed this issue in the hopes that fellow Reddit users would be able to help and provide a solution. Here’s what their post looks like:

When I open it, device performance & health is flagged. The ‘problem” Defender doesn’t like my screen brightness settings under battery health.

I have power plans for when I am on battery and when I am plugged in AC. I have my screen brightness set just where I like it for battery & AC. Now Defender “recommends” I adjust the brightness settings. Is there anyway to tell Defender “Thanks for the advice now buzz off.”?

It is a minor problem to be sure. Defender updates everyday and performs scans. I just want to be able to see the green checkmark over the Defender icon in the task bar, instead of the yellow triangle. In my book this is not a device performance or health issue. If a device needed an update or something, the alert would be fine.“

The issue is a mystery since no one quite knows the root of the problem. However, user Ap0gedoN came up with a solution:

Go into the Task Manager under Start-up disable Windows Defender notification icon, should be gone after restart.

Let us know if the solution above worked out for you in the comment section below! 

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