Does your Norton generate report files? - may be something with reports pointing to what needs to be excluded?
Maybe, Norton is objecting to .tmp files created by compile?
Does “exists” event render any Norton notice?
your Auto-Protect scans Recommended files or All files?
Caveat: I’ve no experience with “Development app”
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may be best to report issue and offer to send debug logs
fwiw ~ this process [here] works for me to reach:
Norton support via Social Support | Chat | Phone [here]