>So instead I'm checking for the presence of this file. If it's there, I want >to fail the install.
Not sure how and when HostDir property gets its value. You might want to make it public (all uppercase and Secure set to "yes") if AppSearch happens in the InstallExecuteSequence. Alex ------------------------------------------------------------------------------ _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users