How to fix Nox App Player Mac version won’t start issue or stuck at 99% issue

Installing software on a Mac is different from installing software on Windows. So for Nox App Player. The first time you install and start Nox on your Mac, you may need to do the following to assure its proper running. It fixes also the stuck at 99% issue.

1. The first time you open Nox App Player (or any downloaded application), you’ll see a warning. Agree to open the file and you won’t see the warning again. We suggest that you also tick the “Don’t warn me when opening application on this disk image” box.

2. Then when Nox App Player for Mac starts to boot, you’ll see the below message box asking you to type your password. This is because Nox Mac version need to install VirtualBox. Please type your password and click OK. If you don’t see this message box the first time you start Nox Mac version, then there might be something wrong with the installation. Please try re-install Nox. Another possibility this does not appear is that you already have other version of VirtualBox in your Mac. The version Nox trying to install is the one that works with Nox Mac Version the best, we suggest that you uninstall your current VirtualBox version and restart Nox so the most compatible version could be installed.

3. You may also see the below warning when you start Nox Mac version the first time. Here we assure you that Nox for Mac is a safe software you could trust. Please open the System Preferences window — click the Apple icon at the top-left corner of your screen or click the System Preferences icon on your dock — and click the Security & Privacy icon. Click the lock icon, enter your password, and set the “Allow apps downloaded from” option to “Anywhere.” Or click the “Open Anyway” button to bypass Gatekeeper in Mac.