This is the 12170th most frequent Turkish word.
güncellemeyen
"Not updating" or "the one who does not update."
In this sentence, 'güncellemeyen' is used as a present participle to describe people who do not update the file.
Bu dosyayı güncellemeyen kişiler hata yapabilir.
People who do not update this file may make mistakes.
Here, 'güncellemeyen' provides a descriptive quality to the system mentioned, functioning as an adjective.
Bilgileri güncellemeyen bir sistem işlevsiz olur.
A system that does not update its information becomes dysfunctional.
In this example, 'güncellemeyen' specifies customers who are characterized by their action of not updating the software.