Error Code 4140: The Backup Driver Works Improperly

This article applies to AOMEI Backupper all versions.

Introduction

In some cases, when you choose to start your backup task, you may encounter error code 4140:

Backup is initializing...

Checking volumes...

Backing up the information of storage device...

Backing up of the volume 0...

Backing up data...

Backing up of the volume 0 done.

Backing up of the volume 1 (C:)...

Information Code:4140

The backup driver works improperly, you could restart the computer to solve the problem.

Solution

Method 1:

Try restarting the PC, then restart the task to check if Backupper driver is loading properly.

Method 2:

1) Open an elevated Command Prompt (run Command Prompt as administrator), then enter the command net start ambakdrv.

2) Open Registry Editor, navigate to the path

Computer\HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\ambakdrv

Change the Start key value to 0. Then restart the PC.

Method 3:

Please enter the following commands and reboot.

cd C:\Program Files (x86)\AOMEI Backupper

LoadDrv.exe

Method 4:

Please reinstall AOMEI Backupper.

Method 5:

Please open Windows Security and add "AOMEI Backupper" as an allowed app to make changes to protected folders.

And, please close the Ransomware Protection in Windows Defender and retry.

If there is still any problem, please feel free to contact us.