system.diagnotics.process Cannot work after Impersonate set to True

Dear All proferssional,
I need all ur help, i new in Visual Studio, currently just doing some modification on other person project due to some security issues. This application can run fine before i set the Impersonate to true in Web.Config, but after i set Impersonate = true, i get this information in Event Log
Faulting application java.exe, version 6.0.210.7, faulting module ntdll.dll, version 5.2.3790.3959, fault address 0x000000000003a7c0
In web.config, i set this tag
<identity impersonate="true" />
And inside my login screen, the below code have apply
Dim strArgu As String = "" Dim processJar = New System.Diagnostics.Process() strArgu = " -classpath cryptcare.jar;commons-codec-1.3.jar com.maybank.care.ldapcontrols.LDAPConnector ""LOGON""" & " " & txtPFNo.Text.Trim() & " &quo ...