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But if you’re desperate to stop Windows Defender from issuing the false alert, this post tells you how to do so. If OneDrive is already setup correctly and working fine, then the yellow exclamation warning can be safely ignored. Also, clicking the “Dismiss” link beneath the warning message may do nothing. * Then right-click the top one from lists, and select the “Scan for hardware changes“ to check if all System icons icon come back in the Taskbar Notification Area (Systray).The Windows Defender warning shows up even though OneDrive is already be configured, syncing and working perfectly fine.
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Find the Microsoft AC Adapter item and right click on it, and choose the Uninstall option. * Double click on Batteries selection to expand all items. Or you can right click on Start menu and select Device Manager. * Open Control Panel, go to Hardware and Sound > Device Manager. How to fix Action Center Taskbar missing and grayed out in Windows 10 Setting If not, you could try any of the method to resolve the problem. You can right-click on an empty space in the taskbar, go to Settings > Personalization > Taskbar, click Turn system icons on or off, and set the Action Center to ON.
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Once the action center button and other system icon are not present on the right side of the taskbar clock, it may be hidden. I opened the Notification area of Taskbar, and the corresponding toggle became grayed out. Other system icons such as the Network, Power, Speaker icons were also gone. After my Surface Pro 3 tablet installed the Windows 10 Anniversary Update, the Action Center tray icon was missing from taskbar and I could not get quick access to common system settings and app notifications.
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