I have moved away from Siebel and desktop programming. Feel free to copy the code and use it for your own purposes. No guarantees that this will not power down the grid though.
This is a simple log analysis file for Siebel applications. Works on Siebel 8.1, at least used to. See https://crmcog.com/free-tool-to-analyse-siebel-log-files/ for details.
VB.NET, Dotnet 4.8. Yes, this is old.