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Windows XP

The client version of Windows superseding Windows 2000 and prior to Windows Vista. Introduced in 2001, XP was a major upgrade with many changes to the user interface. XP improved support for...

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Definition: Windows XP

The client version of Windows superseding Windows 2000 and prior to Windows Vista. Introduced in 2001, XP was a major upgrade with many changes to the user interface. XP improved support for gaming, digital photography, instant messaging, wireless networking and Internet connection sharing. It also added a personal firewall (see Windows Firewall). Although XP is a client operating system, it also functions as a server (see peer-to-peer network).

Home Vs. Pro
XP Home Edition was designed for the consumer, and XP Professional was aimed at the office worker with added security and administrative options. For example, XP Pro can log in to a domain-based network in an office, but XP Home cannot. XP Pro can also be run remotely, and it supports Intel's Hyper-Threading (see Remote Desktop and HyperThreading).

64-Bit XP
A 64-bit version of XP also became available for Intel IA-64 machines as well as AMD's 64-bit CPUs. Originally code-named Whistler, the Windows XP operating system is .NET enabled. See Windows, .NET Framework and Windows Product Activation.



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  • Convert XP into a Windows 7 Virtual Machine with Disk2vhd

    Greg Shultz shows you how to use Disk2vhd to move your Windows XP installation into Windows 7 and then run it with Windows Virtual PC.

    Image galleries | September 20, 2010 6:56am PDT

  • Defective McAfee update causes worldwide meltdown of XP PCs

    Oops, they did it again. Early this morning, McAfee released an update to its antivirus definitions for corporate customers that mistakenly deleted a crucial Windows XP file, sending systems into...

    Blog posts | April 21, 2010 2:02pm PDT

  • Acer: Android isn't ready for netbooks; Verizon deal?

    Acer executives said that Google's Android still has a long way to go before it can be used as the operating system for netbooks.

    News items | April 8, 2009 8:31am PDT

  • Windows XP to compete with Win 7 in netbook market

    The aging Windows XP will continue to be offered for netbooks even after Microsoft starts selling Windows 7 for the inexpensive sub-notebooks, a Microsoft executive has revealed.

    News items | March 6, 2009 4:36am PST

  • Thousands of legitimate sites SQL injected to serve IE exploit

    Once again confirming the trend of having more legitimate sites serving exploits and malware than purely malicious ones, Chinese hackers have been keeping themselves busy during the last couple of...

    Blog posts | December 17, 2008 1:19pm PST

  • IE7 XML parsing zero day exploited in the wild

    A couple of hours ago, two working proof of concept exploits for MS Internet Explorer XML Parsing Remote Buffer Overflow were posted at Milw0rm, with international hacking communities quickly...

    Blog posts | December 10, 2008 5:57pm PST

  • Fake Windows XP activation trojan goes 2.0

    Known as Kardphisher and "in the wild" since April, 2007, last week the malware author of this trojan horse mimicking the Windows XP activation interface while collecting the credit card details...

    Blog posts | November 18, 2008 7:23pm PST

  • AVG and Rising signatures update detects Windows files as malware

    Yesterday, a signatures update pushed by AVG falsely labeled a critical Windows file as a banker malware, prompting the company to quickly fix the issue and issue a workaround, following end users...

    Blog posts | November 11, 2008 9:50am PST

  • Netbook returns blamed on Linux 'teething problems'

    Higher return rates for Linux-based netbooks don't necessarily reflect badly on the open-source operating system, according to Ubuntu backer Canonical.

    News items | October 10, 2008 5:59am PDT

  • Businesses focus on Windows 7, XP over Vista

    Research from the Corporate IT Forum indicates more UK companies are using or investigating XP and Windows 7 than Vista

    News items | October 2, 2008 8:40am PDT

  • Daily Debrief 2nd Edition: Say goodbye to Windows XP

    As of July 1, Microsoft will stop broad distribution of Windows XP. On the second edition of the Daily Debrief, CNET News.com's Kara Tsuboi and Ina Fried break down the rationale behind the...

    Videos | July 1, 2008 2:32pm PDT

  • Debrief: Windows XP era draws to a close

    CNET News.com's Charles Cooper and Ina Fried discuss the impending departure of Bill Gates, and the company's announcement that it will cease selling Windows XP (mostly).

    Videos | June 17, 2008 8:36am PDT

  • Developers snub Vista in favor of XP

    A survey has found a large majority of developers writing applications for Windows are ignoring Vista in favor of XP or older versions of the Microsoft operating system.

    News items | May 19, 2008 12:23pm PDT

  • IT Dojo: Mapping drive letters in Windows XP

    Mapping drive letters in Windows XP is a common task. It's not a complicated process, but you can save time with a few easy shortcuts. In this IT Dojo video, Bill Detwiler demonstrates three old...

    Videos | April 29, 2008 7:18am PDT

  • IT Dojo: Quickly map drive letters in Windows XP with SUBST, PUSHD, and POPD

    In this IT Dojo video, Bill Detwiler demonstrates three old DOS commands that making mapping folders and network shares a snap. First, Bill looks at the SUBST command. SUBST lets you quickly and...

    Videos | April 29, 2008 7:18am PDT

  • IT Dojo: Five services you can turn off in Windows XP

    Running unnecessary Windows XP services can increase your vulnerability to exploits that might use those services as attack vectors. Disabling unnecessary services can be an important step in...

    Videos | April 29, 2008 7:12am PDT

  • IT Dojo: Five services you can turn off in Windows XP

    In this IT Dojo video, Bill Detwiler, Head Technology Editor, shows you how to disable Windows XP services and discusses the following five services that you may want to disable, Simple File...

    Videos | April 29, 2008 7:12am PDT

  • IT Dojo: Change the Windows XP product key

    Even in the best-run IT shops, unauthorized software can find its way onto the desktop. An end-user may have installed a pirated copy of XP but now wants to go legal. An organization may have...

    Videos | April 28, 2008 12:52pm PDT

  • Ballmer says XP still has a chance

    Ballmer says it could rethink its plans to phase out Windows XP by June 30 if customers demand it. But he needs to be convinced.

    News items | April 24, 2008 9:26am PDT

  • Image Gallery: Wibrain B1 Ultra Portable PC

    The Wibrain B1 is a full function Windows XP computer weighing in at just over 1 pound in a PSP-like widescreen form factor. A split QWERTY keyboard, high resolution display, fast processor, and...

    Image galleries | February 6, 2008 6:50am PST

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