Don't think it's a problem with the OS at all, just hasn't been updated. As with anything you need to maintain it.
However the thread title is incorrect.
As for the support dropping for XP, XP is too old now. It's been around since 2001 that's a very long time for an OS (let alone computer hardware).
I ditched XP as soon as Windows 7 was released, I know there are MS haters out there but Windows 7 is a huge leap forward. Faster than my XP build and more stable, even self repairing. Of course there are people out there trying to run 6+ year old hardware with it which is crazy.