There are 4 methods to solve the problem when you stuck at 0-99% in startup of the emulator:

First Method

If you never start the emulator normally, please follow the guide: https://www.bignox.com/blog/fix-breakdown-quickly-noxplayer-like-stucking-0-99-startup/

Aug 22, 2015 Stuck at 0-99% when starting up Nox App Player? Here is the fix. Some of our users have reported the Nox App Player stuck at 99% while starting up. First, please disable windows firewall, quit the antivirus on your pc and try again. If the problem remains, you can see the two different situations and each one could try the solutions below. At least like the video if it worked and its nice to see comments.Thanks in advance.If you are install'in virtual box for the first time.make sure to Allo.

Nox App Player 3.8.5.5 - High-performance Android emulator. Download the latest versions of the best Mac apps at safe and trusted MacUpdate. Official download link for Nox App player for mac OS. Run android apps and play android games right from your iMac or macbook. หลังจากระบบ Mac อัปเกรดเป็นระบบ Big Sur แล้ว ผู้ใช้บางคนพบปัญหาค้างที่ 99% ตอนเริ่มต้นโปรแกรมจำลอง สำหรับปัญหานี้ RD ของนอกซ์ได้แก้ไขแล้ว ต่อไปแอดมิน.

Second Method

If you start the emulator normally before and it stucks at 99% suddenly, please try to create a new emulator:

• Click Mul-drive on the toolbar
• Click to choose the Andriod version or directly click 【Add emulator】
• Run the new emulator

Note: when you directly add an emulator, the Andriod version of the new emulator will be in accordance with your original emulator by default.

Here is a guide to add different Andriod versions:Click here

SOLUTION FOR NOX APP PLAYER STUCK AT 99 - Update (MAC) - YouTube

ThirdMethod

If you are the Mac users, please click here.

Fourth Method

The Solution For Stucking At 0-99% In Startup – NoxPlayer

If all the methods as below don’t work for you, please contact us by mail: support_en@bignox.com or official Facebook.