When you open device manager and expand the linksys miniport pptp you get the following message:
"Windows cannot load the device driver for this hardware because a previous instance of the device driver is still in memory (Code 38)."
Thinkpad systems with Linksys miniport running Windows vista
A Driver release from have fixed this problem.
184.108.40.206 Driver date: 1/18/10
After installing this driver, under driver details the two files should show
netr28u.sys File version 3.00.10.0000
vwifibys.sys File Version 6.1.7600.16385
Lenovo is committed to environmental leadership from operations to product design and recycling solutions.