issues for businesses that are still using it, around 29.9% of desktops. It will become a problem for businesses that need to be PCI compliant. This means that if you take credit cards through you machine you must meet PCI compliance standards. When Microsoft stops supporting Windows XP the security patches will stop, making this operating system non-compliant. It will also leave openings for more viruses and trojans to infect your systems.
Read the CNET article here.