Thank you for the writing.
I took a look into 2009 Q2 source code and did not found EventLog.WriteEntry or '*INI" strings at all.
Regarding this, I thing that this event log entry is not produced by our assemblies and it is probably somehow related to the way your application is deployed.
Do not hesitate to contact us if you have other questions.
the Telerik team
Q1’11 SP1 of RadControls for WinForms is available for download
; also available is the Q2'11 Roadmap
for Telerik Windows Forms controls.