Why won't my Google play update my apps

[AC Question]

When i press to update all my app's it will only say pending

 

[jasonandrews25788]

does it update an app at a time and the others queued? or it doesn't update at all ?
as it should update the apps one by one.

 

[mustafaaliahsan7]

It will not update your app at once it will update your app one by one