Does looking at pictures of naked women – without lowering the gaze – prevent the acceptance of prayers for the remaining days of Ramadan, thus missing out on salvation from the Fire and Laylat al-Qadr?

Do not despair of attaining virtues, for Allah's mercy is vast. Allah Almighty said: "And do not despair of the relief of Allah. Indeed, no one despairs of the relief of Allah except the disbelieving people."