We will need to know what is the Intel(R) driver version you are using.
If it is not the package 15.6.1 (driver 15.3 in device manager) we suggest you to get the full version driver from the link below:
If the issue happens with both please also provide the older driver version.
I'm using Wireless_15.6.1_x32.exe Intel ProSet package that includes driver version 188.8.131.52 dated 2012-09-30.
I was using an outdated driver, the one that Toshiba released with this laptop and I can't find any information on the Internet about it so I guess you phased it out quick on your side. It was Intel Proset 184.108.40.206.1.x32.exe
I stopped using that driver because "Use Windows Credentials" wasn't working at all with it. With the latest driver, at least it works correctly after a single logoff/logon so that Intel Proset can catch Windows Logon information once.
I can try another driver if you wish so, please state which one you would like me to try.
Thank you very much,
I am really sorry about the delay. Our developers are working on different issues at this time.
Is it possible to test with the most recent driver version 15.8.0 for Windows* XP? Let me know if you get different results. I will follow up about this case in the meantime.