Solve : Trapezoid correction in windows by a software?

1.	Solve : Trapezoid correction in windows by a software?
Answer» hi everyone... i have a big problem i got a very very old 3M projector http://www.projectorcentral.com/3M-MP8610.htm and i'd like to MOUNT this to the ceiling. the only problem is that this projector does not support the well known trapezoid correction... by the way i have to CLEAN it FIRST and i also have to change the lamp. but i wont do it until i cannot solve the first problem Is there any software which can set the trapezoid correction in windows??? i have ati radeon 9800 series card., AMD 2200+, 1024 mem...and i use windows xp sp2

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