What is going on. I use this for work purposes , I pay a subscription yearly. And all of a sudden.

What is going on. I use this for work purposes , I pay a subscription yearly. And all of a sudden. My files will not go into premire rush. Or export. I have tried reinstalling and so on. Adobe please resolve this as I am paying for a service. I have a programme to create by the end of the week. This is unacceptable.