Issues on LG G4(H81020n) - Marshmallow

Jhon Smith1100

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Jul 30, 2018
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I am using Lg g4 At&t version.I upgraded my phone from Lollipop to Marshmallow.I am facing two major issues on my phone right now :

1. Whenever i try to uninstall any app from my phone,it reboot itself automatically.
2. In Settings,when i click on the security option it shows me this message"Unfortunately the process has stopped".

Please tell me any solution how can i resolve these issues on marshmallow.