Trying to speed up my video by 25%.

Using Movie Maker 6 and Blaines Custom Speed Effects . Windows 8 PC

Everything works in preview until I export and it always fails at around 90% (No error message but left for > 24 hours with no change but the time remaining increasing)

https://gyazo.com/6324242c2d524980fc47b01fb8125654

Please help or give free easier the better alternatives.

It is a .wmv fille