Fix Windows Subsystem for Linux Update Error 0x80070661

Are you getting a problem when installing the most recent version of WSL2 on Windows 21H2? If yes then you are not alone because A number of users complain about error code 0x80070661 appearing when trying to install Windows Subsystem for Linux Update 5.10.93.2. After they click on “Install now”, the Windows Update Settings page shows the said error code with a message “Update failed, there were problems installing some updates, but we’ll try again later”.

The first 4 digits of the error, 0x8007, indicate that it’s a Win32 error, and the last 4, 0x0661 hex = 1633 dec explanation is “This installation package is not supported by this processor type. Contact your product vendor.” It seems that the company has pushed an ARM64 package to x64 users or messed up the update or something of sorts. Let’s see the solutions –

Windows Subsystem for Linux Update 5.10.93.2 install Error 0x80070661 WSL2

Here is how to fix Windows Subsystem for Linux Update Error 0x80070661 –

Way-1: Install WSL2 via Microsoft update catalog

1. Instead of installing the WSL through Windows update click this link. Use Microsoft Edge for this task because Chrome or other browsers may block downloading the WSL file.
2. This will take you to the Microsoft update catalog; choose the version you want to install on your computer. There are the following updates –

1] Windows Subsystem for Linux Update – 5.4.72
2] Windows Subsystem for Linux Update – 5.4.91
3] Windows Subsystem for Linux Update – 5.10.43
4] Windows Subsystem for Linux Update – 5.10.16
5] Windows Subsystem for Linux Update – 5.10.60
6] Windows Subsystem for Linux Update – 5.10.60.1
7] Windows Subsystem for Linux Update – 5.10.93.2
8] Windows Subsystem for Linux Update – 5.10.102.1
9] Windows Subsystem for Linux Update – 5.10.102.2

1. Click on Download for that version from the right side.
2. A separate page will prompt up which will display 2 links – first for x64 and second for ARM64. The files will be having .cab format.
3. Click on the link you want to download.
4. Unpack abcdefg.cab file
5. Install wsl_update_x64.msi.
6. WSL2 fail to install error 0x80070661 would be solved.

Read – How to Install Linux Subsystem on Windows 10.

Discussion on Github and Techcommunity.

Methods list:
Way-1: Install WSL2 via Microsoft update catalog

That’s all!!