After installing BlueStacks, at the time of registration, you are asked to sign-in with official Google Play account, so that you can access Android apps on PC Windows & Mac through the Android simulator tool.How to Fix BlueStacks App Sync Problem on Windows PC & Mac: If that doesn’t work then carry on reading. Before that ensure that your PC has latest BlueStacks version installed, outdated version might be causing app syncing problem. Following guide works on BlueStacks (32bit/64bit) Installer, BlueStacks Offline Installer and latest BlueStacks 2 emulator. We hope that in upcoming update BlueStacks developers will take care of this little issue, until then you can follow these solutions below to address app syncing troubles on BlueStacks.