You can change the name of your Internet Explorer browser in Windows XP Pro, if you are so inclined.

1. Click Start > Run > Type gpedit.msc
2. Click User Configuration > Windows Setting > Internet Explorer Maintenance > Browser User Interface
3. Double click on Browser Title
4. Click on Customize Title Bars
5. Type in whatever you want
6. Click OK

Now, if you open a new window for IE, you should see the title has changed.