# determine the framework guid.  this will be unique for each install

$productskey =  "HKLM:\SOFTWARE\Classes\Installer\Products"
$installedproducts = get-childitem $productskey

foreach ($product in $installedproducts)
{

	$product = $product -replace("HKEY_LOCAL_MACHINE","HKLM:")
	$prodname = get-itemproperty -path $product -name "ProductName"
	if ($prodname -match "Microsoft .NET Framework 3.5")
		{
			$frameworkguid = $prodname.PSChildName
			
		}

}

# get a list of the registry keys to parse

$regkeys = reg query HKLM\Software\Microsoft\Windows\CurrentVersion\Installer\UserData\S-1-5-18 /s


# find and replace all instances of D?\ with C?\

for ($i = 0; $i -lt $regkeys.Length; $i++)
{

	if ($regkeys[$i] -match "D\?\\")
	{

		$badkey = $regkeys[$i-1]
		$badkey = $badkey -replace("HKEY_LOCAL_MACHINE","HKLM:")


		$badvalue = get-itemproperty -path $badkey -name $frameworkguid
		
		
		$goodvalue = $badvalue.$frameworkguid -replace ("D\?\\", "C?\")
		
		write-host "updating " $badkey "\$frameworkguidto " $goodvalue

		set-itemproperty -path $badkey -name $frameworkguid -value $goodvalue
	}
}

if(!(test-path "C:\Windows\Microsoft.NET\Framework\v3.5\WFServicesReg.exe"))
{


	write-host -fore 'Red' -back 'Black' "Please copy WFServicesReg.exe from a working installation to C:\Windows\Microsoft.NET\Framework\v3.5

"


}

if(!(test-path "C:\Windows\Microsoft.NET\Framework64\v3.5\WFServicesReg.exe"))
{



write-host -fore 'Red' -back 'Black' "Please copy WFServicesReg.exe from a working installation to C:\Windows\Microsoft.NET\Framework64\v3.5"


}