Fix: Bluestacks crashing on Windows 10 - Appuals.com. Apps (2 days ago) Fix: Bluestacks crashing on Windows 10 If the issue is with your Computer or a Laptop you should try using Restoro which can scan the repositories and replace corrupt and missing files. This works in most cases, where the issue is originated due to a system corruption. A Video for you to FIX all errors of BlueStacks 4 and BlueStacks 3, Including "could not start the Engine in all Windows OS". 3:48 Bluestacks Won't Launch 2019 How to Fix Guide
I fixed the problem by downgrading to Bluestacks version 4.190 4.220 and 4.230 both have the lag problem (I don't know about 4.200 and 4.210). Caution: Before downgrading to 4.190, first export your current keyboard layout configuration, and import that config into 4.190, because the default configuration shipped with 4.190 does not work with the current version of COD Mobile.