Run windows updates as a non administrator

Clarifications

Yes you are if you look at the bottom of this list you will see what it applies to

[i]APPLIES TO
Windows Server 2008 Datacenter
Windows Server 2008 for Itanium-Based Systems
Windows Server 2008 Enterprise
Windows Server 2008 Enterprise without Hyper-V
Windows Server 2008 Standard
Windows Server 2008 Standard without Hyper-V
Windows Vista Enterprise
Windows Vista Business
Windows Vista Home Premium
Windows Server 2008 Datacenter without Hyper-V
Windows Vista Home Basic N 64-bit Edition
Windows Vista Home Basic N
Windows Vista Home Basic
Windows Vista Starter
Microsoft Windows Server 2003, Enterprise x64 Edition
Microsoft Windows Server 2003, 64-Bit Datacenter Edition
Microsoft Windows Server 2003, Datacenter Edition (32-bit x86)
Microsoft Windows Server 2003, Enterprise Edition (32-bit x86)
Microsoft Windows Server 2003, Standard Edition (32-bit x86)
Microsoft Windows XP Professional
Microsoft Windows XP Professional x64 Edition
Microsoft Windows XP Tablet PC Edition
Windows Vista Ultimate
Windows Vista Business 64-bit Edition
Windows Vista Business N 64-bit Edition
Windows Vista Business N
Microsoft Windows 2000 Server
Microsoft Windows 2000 Advanced Server
Microsoft Windows 2000 Professional Edition[/i]

Windows XP isn't on the list so you need to look under the XP Section which doesn't appear to have anything listed. ;)

Col

http://support.microsoft.com/kb/306525/

Is this laptop joined to a windows domain?
(at logon, you see 3 lines not 2?)