---
title: Synch Flash, Please Wait - Fix
slug: synchronizing_flash_error_fix
description: Step-by-step video tutorial on how to fix the “Synchronizing Flash, Please Wait” error in Zen Studio.
icon: 🔄
docTags: 
createdAt: 2025-06-19T17:35:12.946Z
---

![](https://api.archbee.com/api/optimize/IwUlH55FdaPsVELSqm1Fc/Xs1-LhKH_xfesZZWL8B-h_1.png "Synchronizing Flash, Please wait... error")

If you're **stuck **on this screen — Don’t worry, this can be fixed easily.

***

### ❌Close ZEN Studio

- If you see the error message, the first step is to completely **close ZEN Studio**

### 🔌Check Physical Connection

- Make sure your Cronus ZEN device **remains connected** to your PC/Laptop
- Confirm it is plugged into the correct port on the device
  - the** PC PROG** port (right-sided USB port)

### 🛜Use the Cronus ZEN Marketplace

- Open a web browser (e.g., Google Chrome)
- Navigate to the **Cronus Zen Marketplace** webpage [https://marketplace.cmindapi.com ](https://marketplace.cmindapi.com/)
- On the left side of the Marketplace page, click the **Connect button**
- From the options that appear, choose** Cronus Bridge** and click **Connect**

### ⚡Flash a Random GamePack

- Once connected, go to the Game Packs section and **drag-drop any GamePack** onto any slot on your device
- If a new window opens during this process, simply close it

### 👨‍💻Program the Device

- Click the **Program button** located on the left side of the page
- A message box will appear saying "flashing device please wait."
- **Wait a few seconds **for this message to disappear, then close the web browser and open ZEN Studio again
- The error message will be gone