Among other things, this means no more monthly fixes to protect against new viruses and malware.
Anybody still using XP will be stuck with the OS as it stands on that final day, and you can expect any security vulnerabilities subsequently discovered to be ruthlessly targeted.
Net Applications measured 31.2% of the world’s PCs still running XP in October 2013.
That’s a problem: when Microsoft stops supporting an OS, it doesn’t only withdraw its technical-support services – it also stops updating the software.
To do this, right-click its icon and choose Troubleshoot Compatibility – or search your computer for “Run programs made for previous versions of Windows”.
If you hit problems with a particular application, try running it in Compatibility Mode.
Be warned that when you upgrade from Windows XP to Windows 8, all settings and applications will be wiped.
Your personal files will be safe, but you’ll need to track down installers for all the programs you want to keep using.
If the running version of WUA is too old or if WUA isn't running at all, install the most recent version of WUA (or at least a current version of WUA).
Microsoft officially withdrew its support for Windows XP on 8 April 2014, after 13 years of loyal service.But if that doesn’t suit, there are several other options for a Windows XP system that’s reaching the end of the line.