So no one shoe fits that fits all, and the solution to each user/computer will be unique. How to fix Bluestacks Engine won’t start?Īs mentioned earlier, there are multiple reasons why the Bluestacks engine might be failing to start. Method 5: Revert back to a previous Windows version.Method 4: Uninstall Bluestacks and reinstall in safe mode.Method 2: Run Bluestacks in compatibility mode for & grant complete security access.Method 1: Switch to DirectX and increase the number of CPU cores & allocated RAM.How to fix Bluestacks Engine won’t start?.