Internet Explorer 7 on Windows XP and Windows Server 2003 is nothing short of an open door for attacks. Microsoft informed that it is currently investigating a remote code execution vulnerability in various versions of XP and Windows Server 2003 running Internet Explorer 7. The Redmond company added that Windows Vista users are safe, although the operating system comes with IE7 built in by default. Windows XP SP2, XP Professional x64 Edition, Professional x64 Edition SP2; Windows Server 2003 SP1 and SP2, Windows Server 2003 x64 Edition and SP2 and Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium-based Systems are all vulnerable to the security flaw, provided they are running IE7. The vulnerability is related to the way the Windows operating system handles Uniform Resource Identifiers (URIs). (more…)

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One of the core differences between 32-bit and 64-bit editions of Windows Vista is of course how much system memory the two variants of Microsoft’s latest operating systems can use. Users have to understand that Microsoft alone limited 32-bit Vista to a maximum of 4 GB of RAM while taking the high-end editions of 64-bit Vista up to 128 GB of RAM. The fact of the matter is that Microsoft could have tailor fitted both 32-bit Windows Vista and Windows XP to address well in excess of 4 GB of system memory, but didn’t. The best argument related to the possibility of introducing support for over 4 GB of RAM with x86 Vista and XP is the fact that Microsoft does feature 32-bit Window operating systems that do it. Case in point Windows Server 2003, Enterprise Edition (32 GB of physical RAM), Windows Server 2003, Datacenter Edition and Windows Server 2003 SP1, Enterprise Edition(64 GB of physical RAM) and Windows Server 2003 SP1, Datacenter Edition (128 GB of physical RAM). All these server side Windows operating systems are 32-bit platforms.

So why hasn’t the same been done with Windows Vista? Well, just because the 32-bit server operating systems can support in excess of 32-bit of RAM does not mean that it is the ideal solution. Far from it in fact, it is something more of a hack. (more…)

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