This a known bug in build 14271. You can fix it by turning off Always show all icons in the notification area for now until the next build is released.
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Source: Announcing Windows 10 Insider Preview Build 14271 + Mobile Build 14267.1004 | Windows Experience Blog
How to Start or Stop Receiving Insider Builds in Windows 10
I've been stuck on build 11102.rs1_release.160113-1800.
Going to Settings. Update & Security, Check for updates says "your device is up to date".
Checked for updates at least 10 times and always get the same response "Your device is up to date".
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Rumor: Windows 10 Mobile Build 14271 could be the next Insider Update.
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10.0.14271.1000.rs1_release.160218-2310
Source (via Bing Translator):...