Font User Installation - Powershell (No Admin Password Needed)

FontInstallation.ps1

# Run this as a Computer Startup script to allow installing fonts from C:\InstallFont\
# Based on http://www.edugeek.net/forums/windows-7/123187-installation-fonts-without-admin-rights-2.html
# Run this as a Computer Startup Script in Group Policy

# Full details on my website - https://mediarealm.com.au/articles/windows-font-install-no-password-powershell/

$SourceDir   = "C:\InstallFont\"
$Source      = "C:\InstallFont\*"
$Destination = (New-Object -ComObject Shell.Application).Namespace(0x14)
$TempFolder  = "C:\Windows\Temp\Fonts"

# Create the source directory if it doesn't already exist
New-Item -ItemType Directory -Force -Path $SourceDir

New-Item $TempFolder -Type Directory -Force | Out-Null

Get-ChildItem -Path $Source -Include '*.ttf','*.ttc','*.otf' -Recurse | ForEach {
    If (-not(Test-Path "C:\Windows\Fonts\$($_.Name)")) {

        $Font = "$TempFolder\$($_.Name)"
        
        # Copy font to local temporary folder
        Copy-Item $($_.FullName) -Destination $TempFolder
        
        # Install font
        $Destination.CopyHere($Font,0x10)

        # Delete temporary copy of font
        Remove-Item $Font -Force
    }
}

The solution I finally found to install fonts system wide was:
...

That's clearly not right, since it will set the $FontType to '(TrueType)' the first time it encounters a TrueType font, and never changes it again for anything that comes after.