Samsung has been accused of disabling Microsoft’s software in preference for its own, leaving computers insecure.

Microsoft technical expert Patrick Barker said he had found Samsung software downloading and running a file called Disable_Windowsupdate.exe, while helping a user with a computer problem.

He said “a few Samsung-manufactured computer systems” were affected.

Samsung said it was just giving customers the choice about running Windows software.

“It is not true that we are blocking a Windows 8.1 operating system update on our computers,” Samsung said in a statement.

“As part of our commitment to consumer satisfaction, we are providing our users with the option to choose if and when they want to update the Windows software on their products.”

According to Samsung, the SW update allows users “to download the newest drives, updates and software for your Windows PC”.

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