Thank you for the additional details, XorgateNia.

Just to confirm, is the benchmark folder set to 'Read Only'? (Please be sure to uncheck this option and check 'Read & Write')
Are you launching the Endwalker benchmark in administrator mode?
Have you attempted to uninstalled/reinstalled all benchmark related files?
Does your anti-virus software have the proper exceptions for launching the Endwalker benchmark?
Have you attempted to download all files into a designated folder or are they located all on your Desktop?

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