Right this is attempt #3 to get it right.
If add/remove H/W cant recognise the CAB file, extract and right click on what looks like the text file inside, select install..
Those are the 2 files I pulled from my system, I use the said hardware on my current setup.
The following files are found inside the driver download file.
|CPTWGU.sys||408.1 KB||7 Apr 2007|
|oem0.inf||14.3 KB||7 Apr 2007|