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Windows 7: Error 39: Cannot install custom bt848 64-bit driver in 8 (worked in 7)

17 Dec 2013   #1

Windows 7 Ultimate 64-bit
Error 39: Cannot install custom bt848 64-bit driver in 8 (worked in 7)


sorry for starting a NEW topic, but after a quick search I couldn't find something similar. I will describe you my problem, so you can understand what is going on. Previous summer I upgraded my computer to a more up to date with 8GB RAM. Inevitably, I had to backup my data and install 64-bit version of Windows 7. I could install and use most of my devices, except an old Pinnacle Studio Pro analogue TV tuner PCI card. After some search, I managed to find custom 64-bit drivers fot BT848/BT878 cards and instructions of how to sign them, so I could use them in normal mode. After following the instructions the drivers worked fine in Windows 7 Ultimate 64-bit! OK, the original application Pinnacle Vision didn't work since it looks exclusively for Pinnacle's own 32-bit driver, but I could use the card in Nero Vision, Pinnacle Studio Pro, VirtualDub etc.

How did the problem arised: I recently upgraded the computer to Windows 8 and then to 8.1 so I have the latest version. Some devices were replaced with Microsoft drivers and others were not installed. I downloaded latest OEM drivers and managed to make all devices work at their full potential again, except the Pinnacle TV tuner. I went to advanced startup options and loaded Windows 8.1 in the mode that ignores driver signature. I then attempted to manually install the custom BT848 64-bit drivers from Device Manager, since there was no setup program. As you may know, the card appears as two devices in Device Manager. One for the Video part and one for the Audio part. The Audio part completed sucessfully. But the Video part displayed the message "Error 39: file not found". The same driver worked OK in Windows 7, so the missing files should be Windows 7 system files that are not present in Windows 8. Is there any way to see which files are these so I can copy them from a Windows 7 installation? How I can determine which file was not found when I see error 39? Is there a log file or what?

Thank you in advance

Sotirios Papakonstantinou

My System SpecsSystem Spec
19 Dec 2013   #2

Windows 7 Ultimate 64-bit

Well, it seems this is the wrong forum to ask and you just ignore my question. I'll try posting it in

Thank you anyway. Any response appreciated.
My System SpecsSystem Spec

 Error 39: Cannot install custom bt848 64-bit driver in 8 (worked in 7)

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