I've used PP for several years and never had a problem before, BUT, now the program crashes when I try to export. I've imported the project into a new project several times, and also started from scratch several times. SHOULD I DO AN UPDATE? (Not possible, is it?) I've also had to press force quit, and also restarted my computer to no success. Shall I uninstall the program and then reinstall, or something else?
We're sorry for your issue. I understand that every time you try to export your project, Premiere Pro crashes.
Which version of Premiere Pro are you using?
What are your system specifications [OS(with version)RAM, GPU, Processor etc]?
Do you get any crash report or log that you can share with us?
Did you try resetting the preferences as mentioned by Mtd?