No audio and crashing

So I've used Hitfilm Express multiple times before, but when I went to edit a video today there was no audio when I imported the video and the audio track. This has happened before and its fixed itself but now it doesn't seem to want to. I've tried reinstalling, updating my drivers and changing clock speeds on my cpu and gpu. I've looked at the audio type and before are AAC which are supported. To top it off I can't open a saved project without it crashing, nor can I exit hitfilm without the same thing happening. Please someone tell me if I've messed up somehow or if its just hitfilm. Thank you.


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