How to Fix Task Manager error in Android

How to Fix Task Manager error in Android - there are three problems with third-party task killer, tihis is just to Android OS :

Task killers can permanently disable WhatsApp - this will cause you to not be able to receive messages .
For all your Android phone :

Task killers can temporarily disable WhatsApp - this will cause WhatsApp repeatedly ruled connection and connect to our servers to drain your phone's battery and use the data that is not needed .
For all your Android phone :

When we turned off the task killer , our server has no way to directly detect that the connection has been disconnected . This can affect message delivery . A message will be sent , but as a result messages may be delayed a few minutes .

Please remove your third-party task killer . Check if you have the following:

•     Advanced Task Killer by ReChild
•     Advanced Task Manager by Cyrket / Arron
•     TasKiller by Cyrket / Arron
•     Task Manager by Adão

On Android and newer , more features previous task killer that has become part of the phone's settings . Although we recommend not to use a task killer , if you still want to use it , please install the application task killer is after you complete the verification process in WhatsApp .

Please also check out the article at this web page for detailed information about why you may not want to have a task killer on your phone.