Good day GregoryCoulthart! I am Independent Advisor Paul R. and also a Microsoft/Windows user like you and I am glad to be able to provide assistance to you today. I understand that you are experiencing crashing issues in VS 2019.
Kindly head over to the link below and try the troubleshooting steps provided from there.
https://stackoverflow.com/questions/3652805/vis...
If you will continue to experience even after trying to troubleshoot, you can also reach out to the VS 2019 forum which is oriented in VS 2019 issues and stuffs and there will be co-programmers and developers that will be able to check your query as well.
https://developercommunity.visualstudio.com/spa...
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Note: This is a non-Microsoft website. The page appears to be providing accurate, safe information. Watch out for ads on the site that may advertise products frequently classified as a PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the site before you decide to download and install it.
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Regards,
Paul R.