How do I install the "Live Update 6" MSI utility for the "X99A SLI PLUS" motherboard to Windows 10?

Step 1

msi.com/Motherboard/X99A-SLI-PLUS/support#utility

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Step 2

Disable auto-startup:
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Step 3

Change the "MSI Live Update Service" startup type from "Automatic" to "Manual":
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Step 4

Change the "MSIREGISTER_MR" startup type from "Automatic" to "Manual":
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Step 5

Prevent auto-startup for the "MSI Register" (MSIRegister.exe) program.

See also:

How do I uninstall «MSI Live Update 6» from Windows 10?