diff --git a/installer_dat/package_list.lua b/installer_dat/package_list.lua
index 66c3671..a6286a8 100644
--- a/installer_dat/package_list.lua
+++ b/installer_dat/package_list.lua
@@ -15,7 +15,6 @@
 	{name="minitel", cat="net", path="lib/net_minitel.zy2l"},
 	--{name="vdev", cat="util", path="mods/util_vdev.zy2m"},
 	{name="menu", cat="menu", path="mods/menu_classic.zy2m"},
-	{name="thd", cat="core", path="lib/thd.zy2l"}
 	--{name="vdevrt", cat="rtmod", path="mods/rtmod_vdevrt.zy2m"},
 	--{name="tsukinet", cat="net", path="mods/net_tsukinet"},
 	--{name="biosemu", cat="loader", path="mods/loader_biosemu.zy2m", warning="warn_mod_biosemu"},
diff --git a/src/zy-neo/builtins/util_romfs.lua b/src/zy-neo/builtins/util_romfs.lua
index 1d592fc..19a6bc3 100644
--- a/src/zy-neo/builtins/util_romfs.lua
+++ b/src/zy-neo/builtins/util_romfs.lua
@@ -18,6 +18,7 @@ function romfs.read(read, seek, close)
 		local fsize = readint(read, 2)
 		local exec = read(1)
 		tbl[#tbl+1] = {name = name, size = fsize, exec = exec == "x", pos = seek(0)}
+		utils.debug_log(nz, name, fsize, exec)
 		seek(fsize)
 		lname = name
 	end
diff --git a/utils/ser.lua b/utils/ser.lua
index 02e8ae7..3fd808d 100644
--- a/utils/ser.lua
+++ b/utils/ser.lua
@@ -4,9 +4,6 @@ local dat = args[2]
 table.remove(args, 1)
 table.remove(args, 1)
 
-local comp = component or require("component")
-local computer = computer or require("computer")
-
 function getfile(path)
 	for i=1, #tbl do
 		if (tbl[i].name == path) then
@@ -15,6 +12,18 @@ function getfile(path)
 	end
 end
 
+if debug.debug then
+	for i=1, #tbl do
+		print(tbl[i].name, tbl[i].filesize)
+	end
+	print("Zorya NEO Installer")
+	print("This was made for OpenComputers, and, as such, is not compatible with your system.")
+	os.exit(0)
+end
+
+local comp = component or require("component")
+local computer = computer or require("computer")
+
 --[[local baddr = computer.getBootAddress()
 local c = comp.proxy(baddr)
 print("Making directories...")