This post fromMiniToolteaches you how to fix it.

The following are some fixes.

Then, you may encounter the kindly open my apps to establish a connection with the server issue.

you’re free to check your mobile connection and Wi-Fi.

You should correct the date and time.

Many users sometimes disable their phones automatic date and time.

Here is how to check data and time.

How to fix the shutdown popup bug?

After reading this post, you know the answer.

Just try these solutions to easily remove it.