We've just released an updated version of BlueStacks (version 2.5.61.6289). Here are the details:

• Internal Storage Memory has been increased to 32 GB from the existing 16 GB.
• Added the ability to view/share your stream in HD Quality (720p)
• Fix for latest version of Pokémon Go (v39) which is now working fine on some of the GPU's in BlueStacks app player.
• Fix for Socket exception error visible in BlueStacks which earlier lead to app player crash
• Fix for missing strings/characters for Korean and Russian locale.
• Fix for an issue in which app player was stuck at initializing.
• Fix for BTV window crash on some Nvidia machines like Nvidia GT630 etc.
• Fix for stream distortion issue on full screen mode.

Download the latest version. Still having problems? Open a support ticket here.