Missing usb driver cd - where to download?

[em]

I bought a used Trex500 with vbar but the CD with the driver is missing.
Can I download the driver and where?

Please help!
Need to tweek some values on the Vbar.

[notsip]

try this.

[em]

try this.

Tnx:)
Found it in the vstabi forum on vstabi.de as well