Latest questions about "error 24"

The WeChat application is stuck at the Installing part. The download was OK, but the application never finishes the installation. I also receive an error code -24.

Firstly, I installed Bluestacks App Player and then tried to install WhatsApp on my PC , but at last an error "-24" has been repeating every time.

While I was trying to install some applications from Play Store, a message appeared identified as 'unknown error -24'. My device is a Galaxy Note 1 with android 4.