setback; defeat; frustration, disappointment
Today I got my new laptop and tried to install Linux on it. As with everything involving computers, it was very frustrating, and in the end I was defeated, at least temporarily. In the meantime I seem to have destroyed a USB stick, which now automatically ejects itself when it connects to a computer and cycles endlessly. Now I need either a blank CD or a new USB stick.
He persisted in carrying on the experiment in spite of all kinds of setbacks.