If you have your "Instagram", "Gmail", "ASUS Support", "Facebook" or "Email" app crashed, please follow steps below to uninstall updates of "Android System WebView" (applicable in Android Lollipop). A follow-up complete solution will be provided.
Uninstall updates of Android System WebView
1. Select "Android System WebView" (gear icon) in "Settings" -> "Apps", and tap "Uninstall updates".
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2. Tap "OK" to set the Android System WebView to original version.
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