Why does your application install fail?

You are installing a new application, but the installation process fails with a cryptic message: “Failed to copy file.” You’ve confirmed that you have enough disk space and you are installing the application with elevated permissions. Which of these would be the most likely cause of this issue?

A) The NTFS file table index is damaged

B) The application is not compatible with your operating system

C) The installation program is corrupted

D) A file used by the installation program is open

E) The installation program needs motivation. Encourage it with kind words and some cookies.