CMon 19.8 installed with IIS shows 'HTTP Error 500.19 - Internal Server Error, and Error Code 0x80070021', on load in web browser – NovaBACKUP Support
c# - ASP.NET project throws HTTP Error 500.19 when moved to another computer - Stack Overflow
iis - HTTP Error 500.24 - Internal Server Error An Asp.NET setting has been detected that does not apply in Integrated managed pipeline mode - Stack Overflow
php - Encountering Internal server error 500 while uploading images to S3 - Stack Overflow