Nevermind. I figured out how to do this without nLite changes. Here is my entries_ZoneAlarm.ini file for my ZoneAlarm addon. ;Made by HiDefHusker [general] builddate=2006/07/03 description=ZoneAlarm language=English title=ZoneAlarm version=6.5.722.000 website=http://www.zonealarm.com/ [EditFile] I386\HIVESYS.INF,AddReg,HIVESYS.AddReg I386\SVCPACK.INF,SetupHotfixesToRun,SVCPACK.AddProgram [HIVESYS.AddReg] HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\Environment","TEMP",0x00020000,"%%SystemRoot%%\TEMP" HKLM,"SYSTEM\CurrentControlSet\Control\Session Manager\Environment","TMP",0x00020000,"%%SystemRoot%%\TEMP" [SVCPACK.AddProgram] zlsSetup_65_722_000_en.exe /s /noreboot