This article demonstrates steps to locate and send us the installation failure logs.
Based on versions 2.2.27.xxxx and above
1. Press Windows+R (on your keyboard)
2. Type %localappdata% in the search box as shown below.
3. Now navigate to BlueStacks folder.
4. Open the logs folder as shown below.
5. In this folder you will see the installer.log and microinstaller.log
5. Attach both the files to an email and send it to firstname.lastname@example.org.