We are getting a massive number of players unable to update their app or install the app in general on the Google Play Store. This is not on our end, we have tried to contact google but we only get general replies and nothing that would help so i’ve been doing some reasearch to try and find the things that work the best.
Most cases users are reporting error 963, here are some tricks to fix your play store app.
1) Downgrade Google play store:
There are chances that the Recent Google play Store update is causing this Error, There are every chance that the Updated Version of Google play store may have Compatibility Issues. So in this case, you will need to Uninstall the updates of play store.
Go to Settings > Apps > Uninstall Play Store Updates, Also while here, remove the cache and data from the Play Store App. Now Try and Download/update the app which was showing the error. This Method should most probably Solve the issue for many.
2) Unmount SD Card:
Unmounting SD Card on your Phone might just help you to get rid of Play store error 963, What we are going to Do is, Unmount SD Card, then Try to Update/Download the app and lastly Remount SD Card. It is always a good idea to make sure the app is installed on your phones memory and not the SD card, some SD cards can hurt the apps performance.
3) Clear cache on Googles Framework and Services: