Is it illegal to keep promotional videos (such as teasers, trailers) of movies on computer ?

If the trailers were made between 1923 and 1977 without a copyright notice they are in public domain in the US.

i'm hoping they save each and every of the action, yet i does not recommendations slightly a love triangle. That makes it exciting. They shouldn't rigidity on it now because of the fact Catching hearth is while it is stated.as long as that's in contrast to Twilight because of the fact then i could sent like over 9000 hate mails to the director. it would be extra like a mixture of Harry Potter (plot clever), Sucker Punch (sucky action picture, yet fantastic action sequences), and solid appearing (Kristen Stewart, you amaze me on the type you controlled to proceed to exist this long as Bella). The action is what's going to maintain me hooked. i admire the hearth and that i admire the archery, yet that develop into only a teaser, Will the director save it? with any luck.......

It would depend how you got them, but studios tend to distribute trailers for free.