This isn't quite as common with newer programs and apps but if you have an old program, especially if you're still using Windows XP or Windows Vista, this is likely to be a problem..
Nke a abụghị ihe jikọrọ ya na ngwa na ngwa ọhụrụ ma ọ bụrụ na ị nwere usoro ochie, karịsịa ma ọ bụrụ na ị ka na-eji Windows XP ma ọ bụ Windows Vista, nke a ga-abụ nsogbu.