Despite not having received any security updates since April 8, 2014, it's surprising how many consumers and businesses continue to rely on Windows XP. Analysis by security firm Bitdefender reveals the OS is still going strong in many Eastern European countries, where Windows XP is still heavily used by small and mid-sized businesses as well as the public sector:
Ukraine leads the nostalgic group. Windows XP runs on 41.2 percent of business and public computers that use Bitdefender's antivirus software. Hungary follows with 37.5 percent, while Romania ranks third with 34 percent.
Next in line are Poland (24.05 percent) and the Republic of Moldova (18.7 percent). Other countries such as Slovakia (10.61 percent), Bulgaria (six percent), and the Czech Republic (4.7 percent) are finding it easier to upgrade to a more recent version of the OS.
Besides cost, emotional attachment and lower productivity during the upgrade cycle, application compatibility is one of the most cited reasons why companies neglect to upgrade. Lots of businesses and public sector agencies use proprietary applications that hasn't been updated and is most likely not compatible with Windows 7/8.1/10.