While trying to access the website example.com it intermittently returns the error like the following one randomly:
PLESK_INFO: PHP has encountered an Access Violation at 023BC55F
Nothing is found on Event Viewer as well as on website logs.
PHP cannot access memory address due to some reason (PHP bug, MySQL issue, permission, an issue with library etc.).
Enable Failed Request Tracing for error code 500 to get further error details as mentioned in this article: How to trace failed requests for domain on Windows Server?