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Jaak,

The issues I've seen with the Sigmatel driver and others were generally for computers from about 2003 to 2005. What happens is the inf file references a couple of Windows' own inf files which are used to identify some files from the Windows multimedia subsystem that the driver needs. Somehow when using dpinst or even my own tool that used DIFxAPI, those windows files were not found and the driver's installation failed half way through. Retrying dpinst would fix the problem, but it never worked for me during the finalization of my unattended install.

I wrote a tool some months ago that fixed the problem by copying those files to the driver's preinstallation directory but I had a slight accident with my partition and lost all the source. Now I pretty much finished rewriting its core and improving it but it needs to go through some cleanup. After that I'll have no problems giving you guys a copy of the source. God knows the driverpacks saved me hours so it's only fair.

The newer drivers didn't help. After spending quite a few hours on the issue it seems like my problem is coming from .inf files that include wmaudio.inf and other files from c:\windows\inf

It seems that dpinst.exe is unable to find them when running from RunOnceEx but it has no problem if ran manually afterwards.

I'm trying to figure out a workaround right now...

Hi again.

Sample XML file:

<?xml version="1.0"?>
<dpInst>
    <quietInstall />
    <scanHardware />
    <language code="0x0409">
        <dpinstTitle>Drivers Installer</dpinstTitle>
    </language>
    <group>
        <package path="D\W\Z\4\bcmwl5a.inf" />
        <package path="D\3\IN\A\Apfiltr.inf" />
        <suppressAddRemovePrograms />
    </group>
</dpInst>

Call it dpinst.xml and put it in the same folder as dpinst.exe with your drivers in the appropriate subfolders.

Sample code for a C# command-line tool that will create the above xml file and fill it with the list of .inf files found in subfolders:

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace BuildDrvList
{
    class Program
    {
        static void Main(string[] args)
        {
            StreamWriter outputFile = new StreamWriter("dpinst.xml");

            outputFile.WriteLine("<?xml version=\"1.0\"?>");
            outputFile.WriteLine("<dpInst>");
            outputFile.WriteLine("    <quietInstall />");
            outputFile.WriteLine("    <scanHardware />");
            outputFile.WriteLine("    <language code=\"0x0409\">");
            outputFile.WriteLine("        <dpinstTitle>Drivers Installer</dpinstTitle>");
            outputFile.WriteLine("    </language>");
            outputFile.WriteLine("    <group>");

            string[] arrInfFiles = System.IO.Directory.GetFiles(".", "*.inf", SearchOption.AllDirectories);
            foreach (string strFileName in arrInfFiles)
            {
                outputFile.WriteLine("        <package path=\"{0}\" />", strFileName.Substring(2, strFileName.Length -2));
            }

            outputFile.WriteLine("        <suppressAddRemovePrograms />");
            outputFile.WriteLine("    </group>");
            outputFile.WriteLine("</dpInst>");
            outputFile.Close();
        }
    }
}

Sorry I didn't have a quick way to put the .exe up anywhere. If you want to compile this tool, get Visual C# Express from Microsoft, it's free!