My video is corrupted!

my video keeps coming out corrupted! heelp!

Not enough information.
Read this post for further help: Requesting Support

Ok I press file export then export file (with settings changed) then i open the file then it says its corrupted (and yes i did try different programs)

you need to give specific settings, if any of the default settings also don’t work. Uploading your video file could help. To see if it crashes on another computer too.

Which program are you ‘opening the file’ with?
When you export the video, are you pressing ‘Export’ or are you pressing ‘Save as’ ?
Save as only saves the project XML to an .mlt file which is not a video.
Let us know more if you want better help.