I have an issue with one Windows 7 laptop, all the others in the company are fine. The issue is that the wireless network connection profiles keep disappearing from the Network and Sharing Centre. I've looked in the Wlansvc Profiles folder on the hard drive and all the xml files are still present. Obviously this is frustrating as the user keeps having to re-key the wireless keys to get access to networks. I'd appreciate any input as always. Thanks in advance.