tks for your reply but I think that this is not the solution.
Some time eventlog register that dont find the ini file on C:\windows\syswow64, other time in C:\windows, other he dont say where he dont find.
I think that this is one error from IIRF because I have one little tool that I created to confirm what site have the ini file and all site that use iirf have iirf.ini.
I dont have any site pointed to C:\windows then I dont know why IIR find the INI in some cases, on windows folder..
Have any method to config IIRF to write one more detailed log where he put the locate of file that he cant find ?