H.264 exporting corrupt file
All of a sudden, when I export my H.264 videos, it does NOT work.
I make sure my timeline is highlighted, go to export, pick H.264 because that is the quality i need, and leave the settings standard, save it to a folder, and hit export. It exports like normal. But when I go to the folder to look at the video I get a "cant play" message.
This is the message i get when i try to play the exported video:

I already tried resetting all the settings & preferences, uninstalling and reinstalling, and calling support with no answer.... I have plenty of storage space also and tried to clear the cache.
PLEASE HELP this is extremely frustrating.
Thank you.

