How to Fix Windows Update Error Code: (0x80070003) [Solution]

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Some update files are missing. Error 0x80070003 may occur on a Windows computer when running Windows Update, enabling Windows Firewall, Application Guard or Windows Sandbox, WSL, or downloading from the Microsoft Store. In this tutorial, we will talk about Windows Update error 0x80070003. This usually means that Windows Update (WUAUSERV) is not started or that Background Intelligent Transfer Service (BITS) cannot be started. The problem may also be caused by other components supporting the Windows Update mechanism.

It is not uncommon for Windows users to experience problems installing updates or upgrading to the latest version of Windows. The problem with these error codes is that most of the time, they do not specify the cause of the error or what users can do to avoid it.

Issues covered in this tutorial:
How to Fix Windows Update Error Code: (0x80070003)
how do I fix windows 10 update error
how to fix windows 10 update error
a Windows update keeps failing

Error code 0x80070003 occurs when Windows tries to install a system update. Deconstructing this error code, the initial four digits (0x800) belong to the system error code range and the next four digits (0x70003) relate to a specific error known as (ERR_PATH_NOT_FOUND). This error code has a singular interpretation, which applies specifically to challenges encountered during the update installation process.

This tutorial will apply to computers, laptops, desktops, and tablets running Windows 10 and Windows 11 (Home, Pro, Enterprise, Education) operating systems from all supported hardware manufacturers, such as Dell, HP, Acer, Asus, Toshiba, Lenovo, Alienware, Razer, MSI, Huawei, Microsoft Surface and Samsung.

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