Getting a blank gray screen when opening project

[eastona33208963]

I just finished editing and exprting a project and I noticed some things I needed to change but when i went to work on it more I just got a blank gray scrren.  All my other videos work fine.  How can I get all the work back.  dozens of hours

[Kartika Rawat]

Hi there!

Sorry about the trouble. Does it happen on a single project? Can you try resetting preferences? https://www.youtube.com/watch?v=WvKL1Arhvl8

Let us know. Happy to assist,

Thanks,

Kartika