A question not directly related to PHP

Hi, I am using a notebook running Windows XP Professional with IIS for my PHP development. I am developing an application that generates RTF files on the fly and stores them in a directory. A curious thing has been happening. When I run the PHP script on my machine using localhost, the script executes perfectly. However when I access the script from a remote machine (My machine is connected to a LAN and since I am running IIS, the script can be accessed at http://mynotebook/), the script does not execute. Not only does the script not execute, the LAN connection on my notebook freezes. After this, I am unable to access any network resources from my notebook including internet etc. Once I reboot, I am able to access the net until I access the above script from a remote machine. I am also running Norton Anti-Virus and I tried turning it off but that doesn't seem to have any effect. Norton has a Script Blocking feature which I turned off as well but that didn't have any effect either. One more thing is that, in another environment, I connect through Wireless and in that environment this problem does not occur. Having said that, i have to reconfirm if this problem occurs only when I connect using wires. Has anyone come accross a similar problem? I would appreciate it very much if some one could point me towards a solution. Best Regards Feroze ================= Jar Jar Binks will be Jedi! =================