https://github.com/illnyang/nvlax

NVENC Patcher.ps1

$arr = @()
$nvlaxwslpath = '$HOME/nvlax/build/nvlax_encode'
$temppath = "$env:TEMP\NVENC Patcher"

$arr += , @("$env:WINDIR\SysWOW64", "nvEncodeAPI.dll")
$arr += , @("$env:WINDIR\System32", "nvEncodeAPI64.dll")

Try {
	New-Item -Path $temppath -ItemType Directory -Force
	Start-Process cipher.exe -ArgumentList ("/D /S:`"" + $temppath + "`"") -Wait -NoNewWindow
	Push-Location -Path $temppath
	ForEach ($i in $arr) {
		Start-Process wsl.exe -ArgumentList ($nvlaxwslpath + " -i " + "`$(wslpath -a `"" + ($i[0] + "\" + $i[1]) + "`") -o " + $i[1]) -Wait -NoNewWindow -RedirectStandardError "error.log" -RedirectStandardOutput "output.log"
		If ((Get-Content "output.log") -Like "*successfully*") {
			Start-Process powershell.exe -Verb runAs -ArgumentList ("-Command Copy-Item -Path '" + $temppath + "\" + $i[1] + "' -Destination '" + ($i[0] + "\" + $i[1]) + "' -Force") -Wait
			Write-Host "The NVENC library,", (($i[0] + "\" + $i[1]) + ","), "was patched."
		}
		ElseIf ((Get-Content "error.log") -Like "*signature seems corrupted*") {
			Write-Host "The patch has already been applied to the", ($i[0] + "\" + $i[1]), "library."
		}
		Else {
			Throw ""
		}
	}
}

Catch [System.Management.Automation.CommandNotFoundException] { Write-Host "There was an error using WSL. This patch requires WSL set up with a nvlax_encode binary at", ($nvlaxwslpath + ".") }
Catch [System.InvalidOperationException] { Write-Host "There was an error requesting admin privileges." }
Catch {
	Write-Host "There was an error running patching the NVENC libraries."
	Write-Host $_
}

Finally {
	Pop-Location
	Remove-Item $temppath -Recurse -ErrorAction SilentlyContinue
}