You can try out the official Microsoft help forums. However, now would be the time to upgrade to at least Windows 7. Windows XP will be obsolete in 2014 and will have no support.
Windows XP SP3
No
A troubleshooting page for Windows XP is available on the Microsoft support pages. They can also be accessed on your computer by clicking "Start", then "Help and Support".
The Support!
Windows xp will support 127 usb ports
Office 2003 will run on Windows XP.
Microsoft states Windows Xp can handle up to 10 displays attached to one system. Reference:
The last I read, all support for Windows XP ends in 2014.
All versions of Windows XP support multiple users.
No it says that windows XP dosen't support Battlefield 3.
There is extremely limited support for Windows 2000 on HP's website for the HP Pavilion dv6700. Drivers for Windows XP are available.
Windows XP, Windows Vista, and Windows 7 will support Microsoft 2010.