Hi, kindly help us with the following information to find a solution to your query.
1. Firmware version your device is on.
2. Elaborate more on your concern.
You may try the following troubleshoot,
1. Clear system cache.
2. Try the same under safe mode:
Hold the power button for 5 seconds => When the screen flashes with option => Press & hold power option => You will get an option to restart in safe mode
3. If still you face the issue
factory reset your phone after taking a full backup : https://www.asus.com/support/FAQ/1006346/