Software⏱️ 2 min read📅 2026-05-31

How to Fix: Eclipse error "ADB server didn't ACK, failed to start daemon"

Eclipse error ADB server didn't ACK, failed to start daemon. Ensure adb.exe is correctly located and executable.

Quick Answer: Check the path of adb.exe in Eclipse's project settings and verify it exists and is executable.

The 'ADB server didn't ACK, failed to start daemon' error in Eclipse is typically caused by a misconfigured Android SDK or platform tools installation. This issue can also arise when the adb.exe file is not correctly located or executed.

✅ Best Solutions to Fix It

Method 1: Update Android SDK and Platform Tools

  1. Step 1: Open the Command Prompt or Terminal as an Administrator and navigate to the platform-tools directory.

Method 2: Correctly Locate adb.exe

  1. Step 1: Check if the adb.exe file exists in the platform-tools directory. If not, download and install the Android SDK and Platform Tools again.

Method 3: Run Eclipse as Administrator

  1. Step 1: Right-click on the Eclipse application and select 'Run as Administrator' or press Ctrl+Shift+Alt+Enter.

By following these steps, you should be able to resolve the 'ADB server didn't ACK, failed to start daemon' error in Eclipse and successfully run your Android applications.

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