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Windows XP Unofficial Service Pack Updated to Version 3, 3.1a

Windows XP may not be officially supported any longer (since April 2014) but this hasn’t stopped core XP users from establishing ways to keep their machines intact.


One unofficial but somehow proven method to support your WinXP is called Windows XP Unofficial Service Pack 4. The latter has just received new updates – version 3.0 and 3.1a – containing several improvements and patches. Mind that Windows XP SP 4 is neither released nor supported by Microsoft. However, many people still prefer running XP over switching to a newer version of the operating system, which is an eloquent fact that should say a lot about Microsoft’s Win10 agenda.

What’s in Windows XP Unofficial Service Pack 4 Versions 3.0, 3.1a

Both of the versions are freshly released, and both are equipped with POSReady updates, released by MS until January 2016.

What Is a POSReady Windows Version?

Shortly described, Windows Embedded Industry, Windows Embedded POSReady or Windows Embedded for Point of Service is an OS subfamily created by Microsoft as part of its Windows Embedded family of products. It is based on Windows NT and is designed for use specially in industrial devices such as cash registers, automated teller machines (ATMs), and self service checkouts.

Keep in mind

Because WinXP no longer gets official support, updates for the POSReady version can be installed on the freshly updated version.

Other fixes available in the release take care of many issues reported by users, plus a ton of patches for false positives warnings related to malware. Many such warnings were present in SP version 2.

Additional fixes include:

  • Live installation;
  • Integration of the latest time zone update;
  • DxDiag (DirectX diagnostics) registry error fixes.

Nonetheless, users running XP shouldn’t forget that even with these unofficial service packs, the operating system is still vulnerable.

The good news is that even if you decide to try, say, Windows 10, but you don’t like it, you can still roll back to a previous version. However, there’s a tricky part – you only have 30 days to do so, before Microsoft deletes all files of your previous OS. Here’s how to downgrade to Windows 7, 8 or 8.1.

Milena Dimitrova

An inspired writer and content manager who has been with SensorsTechForum since the project started. A professional with 10+ years of experience in creating engaging content. Focused on user privacy and malware development, she strongly believes in a world where cybersecurity plays a central role. If common sense makes no sense, she will be there to take notes. Those notes may later turn into articles! Follow Milena @Milenyim

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