The issue focused on Microsoft Windows XP which now holds over 45% market share and nearly 80% market share for desktops and laptops in general. Most businesses still prefer Windows XP because it allows easy upgrades and numerous updates at little cost. Most Linux distributions support Microsoft Windows XP but many older distributions such as Fedora also include fixes for Microsoft Windows XP which require upgrades and fixes for updates to remain compatible with Linux distributions. Many Linux distributions support Linux distributions such as Fedora which include newer versions of Microsoft Windows XP such as XP SP