How to fix “Screen overlay detected” error

The problem: Android suddenly warns you that a screen overlay has been detected.

The error message in question. / © AndroidPIT

• The reason: This message appears when you’re running a floating app, and then start a newly installed one, which requests access rights. Floating apps include the chat heads of Facebook Messenger that can appear floating above other apps.

How to surf the web safely on public Wi-Fi networks

It’s not necessarily a good idea to walk into a coffee shop and use the free public Wi-Fi without protecting yourself first. For sure, it’s easy and tempting, but it’s risky.