Microsoft ended support for Windows XP over a year and a half ago, yet in some parts of the world, Eastern Europe specifically, more than 1/3 of Windows computers are running Windows XP. Ukraine leads the pack with 41.2% of Bitdefender’s clients running Windows XP.
“Some might choose to continue using Windows XP because of legacy issues with proprietary applications and systems,” Liviu Arsene, senior e-threat analyst at Bitdefender
The biggest problem with running Windows XP is that Microsoft is no longer actively patching it. Newly discovered vulnerabilities are simply not patched.