No matter what I do, I cannot get both AVR Studio and the drivers for the USB AVR Programmer working simultaneously on Vista Home Premium 64bit.
First I followed the directions on the USB AVR Programmer page to install the drivers.
I plugged in the Programmer, and got a “USB Device not recognized” warning, and the device was listed as “Unknown Device” in the Device Manager.
I did a system restore.
Apparently, driver signature enforcement has to be turned off for these drivers to install. I think the instructions should be altered to reflect this. Anyway, I rebooted while hitting F8 and disabled driver signature enforcement. This time the drivers installed properly. The Pololu device and the two USB->COM devices appeared in the Device Manager.
I installed WinAVR without incident.
When I installed AVR Studio, the device disconnected sound played. After finishing, the USB AVR Programmer no longer worked. I would once again receive "USB device not recognized. I tried reinstalling the drivers, but this did not work.
I did a system restore.
I repeated everything above, except I deselected the Install/Update USB drivers option during AVR Studio installation. This did not fix the issue.
I did a system restore.
This time around, I disabled driver signature enforcement, and I installed WinAVR and AVR Studio first (with install/update usb drivers selected). THEN I installed the USB AVR Programmer as per instructions. It didn’t work. I got the same “USB device not recognized” message and “Unknown Device” in device manager.
I did a system restore.
I repeated the above, this time deselecting the install/update usb drivers option during AVR Studio installation. Then I installed the USB AVR Programmer as per instructions. Again, it didn’t work. I got the “USB device not recognized” message.