People who don't use Java much should once again consider unplugging Java from their browser, while those who don't use it at all may want to uninstallit altogether.
If you keep getting told to install Flash or your video player is not playing, you may need to uninstall Adobe Flash properly before reinstalling it again.
Instead I would just buy a kindle book which I can access on a computer or phone with one purchase and when I upgrade my phone, I just uninstall the app on the old one and install it on the new one unlike apps like Skyscape.