Software⏱️ 3 min read📅 2026-06-03

How to Fix: Error : BinderProxy@45d459c0 is not valid; is your activity running?

Error occurs when Android activity is not running, causing a BadTokenException.

Quick Answer: Check if your activity is running and ensure it has the correct token to fix the issue.

The 'BinderProxy@45d459c0 is not valid; is your activity running?' error occurs when Android's system cannot find an active window to display, resulting in a crash. This issue affects all Android devices and can be frustrating for users who experience it.

This error is particularly problematic because it prevents the device from functioning properly, leading to a loss of data or functionality. Fortunately, there are steps you can take to resolve this issue and get your device up and running again.

⚠️ Common Causes

  • The primary cause of this error is that the Android system cannot find an active window to display. This occurs when the system tries to add a new window but fails to find a valid token, resulting in the 'BinderProxy@45d459c0' error.
  • Another possible reason for this error is if the device's screen is turned off or the display is not responding. In such cases, the Android system may try to access the screen and fail, leading to the 'BinderProxy@45d459c0' error.

🛠️ Step-by-Step Verified Fixes

Restarting the Device

  1. Step 1: Step 1: Press and hold the Power button on your device until it turns off.
  2. Step 2: Step 2: Wait for a few seconds to allow any pending operations to complete.
  3. Step 3: Step 3: Press and hold the Power button again to turn the device back on. This will force the system to restart and potentially resolve the issue.

Checking Display Settings

  1. Step 1: Step 1: Go to your device's Settings app.
  2. Step 2: Step 2: Scroll down and select 'Display' or 'Screen' settings.
  3. Step 3: Step 3: Ensure that the screen is not set to 'Power off' mode and that the display is enabled. You may also need to adjust the screen brightness and other settings to resolve the issue.

💡 Conclusion

If you have tried restarting your device and checking the display settings, but still experience the 'BinderProxy@45d459c0 is not valid; is your activity running?' error, it may be helpful to visit a authorized service center or contact the manufacturer's support team for further assistance.

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