msi: If the package doesn't exist, return ERROR_FILE_NOT_FOUND.
[wine] / dlls / inseng /
drwxr-xr-x   ..
-rw-r--r-- 334 Makefile.in
-rw-r--r-- 384 inseng.spec
-rw-r--r-- 1913 inseng_main.c
-rw-r--r-- 15035 regsvr.c