Error Code 1073740791 When Attempting to Update Alienware Pro Wireless Gaming Mouse Firmware

Summary: "File system error (-1073740791)" is seen when attempting to update firmware for the Alienware Pro Wireless Gaming Mouse.

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Symptoms

A "C:\WINDOWS\system32\taskmgr.exe File system error (-1073740791)" message is seen when attempting to update the firmware for the Alienware Pro Wireless Gaming Mouse. This happens when the operating system is set to use a language other than English.
C:\WINDOWS\system32\taskmgr.exe File system error (-1073740791)

Affected Product:

  • Alienware Pro Wireless Gaming Mouse

Affected Operating Systems:

  • Windows 11
  • Windows 10

Cause

The firmware updater fails with this error in certain language configurations.

Resolution

Updating the Alienware Pro Wireless Gaming Mouse Firmware Update to version 0.2.8.4 or later on the mouse resolves the issue. To download and install the Alienware Pro Wireless Gaming Mouse Firmware Update, refer to the Driver Update Guide.

Affected Products

Alienware Pro Wireless Gaming Mouse
Article Properties
Article Number: 000388198
Article Type: Solution
Last Modified: 09 Jan 2026
Version:  2
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