diff --git a/README.md b/README.md
index 080e6ca..32b4078 100644
--- a/README.md
+++ b/README.md
@@ -9,7 +9,7 @@ CORE is only useful for new projects. Already existing projects could break beca
 
 # Requirements
 - No autoload singletons are allowed before CORE has initialized
-- Startup scene must be `res://CORE/background.tscn`
+- Startup scene must be `res://CORE/coreinit.tscn`
 - Scene management must be done with smgr (the CORE scene manager)
 - Logging should be handled using the CORE logger
 
@@ -19,10 +19,9 @@ CORE is only useful for new projects. Already existing projects could break beca
 - Add three scripts to your autoload:
 | Name         | Path                         |
 | ------------ | ---------------------------- |
-| coreloader   | `res://CORE/coreloader.gd`   |
 | Logger       | `res://CORE/logger.gd`       |
 | Preprocessor | `res://CORE/preprocessor.gd` |
-- Select `res://CORE/background.tscn` as your startup scene
+- Select `res://CORE/coreinit.tscn` as your startup scene
 - [Follow the post-installation guide](https://git.staropensource.de/StarOpenSource/core/wiki/Using-CORE)
 
 # How to update
diff --git a/background.tscn b/background.tscn
index c03d0ac..b7d707b 100644
--- a/background.tscn
+++ b/background.tscn
@@ -1,6 +1,6 @@
 [gd_scene load_steps=3 format=3 uid="uid://pqe5af0fmvvf"]
 
-[ext_resource type="FontFile" uid="uid://ma5ix8lrywfr" path="res://CORE/hack.ttf" id="1_lr4q1"]
+[ext_resource type="FontFile" uid="uid://cdfmc7wbwejab" path="res://CORE/hack.ttf" id="1_lr4q1"]
 [ext_resource type="Script" path="res://CORE/corelog.gd" id="2_6qdog"]
 
 [node name="COREBackground" type="Control"]
diff --git a/coreinit.gd b/coreinit.gd
new file mode 100644
index 0000000..b20622d
--- /dev/null
+++ b/coreinit.gd
@@ -0,0 +1,51 @@
+extends Node
+
+@onready
+var engine_version = Engine.get_version_info()
+
+func _ready():
+	print("coreinit -> Checking CORE requirements")
+	if engine_version["major"] != 4:
+		print("coreinit -> CORE only supports Godot 4.x.x. Please upgrade/downgrade your Godot Project to Godot 4.")
+		await get_tree().create_timer(0.1).timeout
+		get_tree().quit(141)
+		return
+	if engine_version["minor"] != 0:
+		print("coreinit -> CORE only supports Godot 4.0.x. Please upgrade/downgrade your Godot Project to Godot 4.0.")
+		await get_tree().create_timer(0.1).timeout
+		get_tree().quit(142)
+		return
+	if engine_version["status"] != "stable":
+		print("coreinit -> CORE only supports stable Godot 4 releases. Please upgrade/downgrade your Godot Project to Godot 4.0.stable.")
+		await get_tree().create_timer(0.1).timeout
+		get_tree().quit(143)
+		return
+	if get_node_or_null(NodePath("/root/Logger")) == null:
+		print("coreinit -> The CORE logger is missing in your autoload project settings! Please retry installing CORE.")
+		await get_tree().create_timer(0.1).timeout
+		get_tree().quit(144)
+		return
+	if get_node_or_null(NodePath("/root/Preprocessor")) == null:
+		print("coreinit -> The CORE preprocessor is missing in your autoload project settings! Please retry installing CORE.")
+		await get_tree().create_timer(0.1).timeout
+		get_tree().quit(145)
+		return
+	if get_tree().root.get_children().size() != 3:
+		print("coreinit -> CORE only supports projects without autoload singletons (excluding CORE). Please remove them from your project settings and register them using core.autoloader in your init script.")
+		await get_tree().create_timer(0.1).timeout
+		get_tree().quit(146)
+		return
+	for i in get_tree().root.get_children():
+		if i.name != "coreinit" and i.name != "Logger" and i.name != "Preprocessor":
+			print("coreinit -> CORE only supports projects without autoload singletons (excluding CORE). Please remove them from your project settings and register them using core.autoloader in your init script.")
+			await get_tree().create_timer(0.1).timeout
+			get_tree().quit(147)
+			return
+	print("coreinit -> Constructing coreloader")
+	var coreloader = Control.new()
+	coreloader.name = "coreloader"
+	coreloader.set_script(ResourceLoader.load("res://CORE/coreloader.gd"))
+	print("coreinit -> Injecting coreloader")
+	get_tree().root.add_child.call_deferred(coreloader)
+	print("coreinit -> Switching to COREBackground")
+	get_tree().change_scene_to_packed(ResourceLoader.load("res://CORE/background.tscn"))
diff --git a/coreinit.tscn b/coreinit.tscn
new file mode 100644
index 0000000..7aa5a6a
--- /dev/null
+++ b/coreinit.tscn
@@ -0,0 +1,16 @@
+[gd_scene load_steps=2 format=3 uid="uid://bimimtdarnyu"]
+
+[ext_resource type="Script" path="res://CORE/coreinit.gd" id="1_ubktt"]
+
+[node name="coreinit" type="Control"]
+layout_mode = 3
+anchors_preset = 0
+script = ExtResource("1_ubktt")
+
+[node name="ColorRect" type="ColorRect" parent="."]
+layout_mode = 0
+offset_left = -5e+08
+offset_top = -5e+08
+offset_right = 5e+08
+offset_bottom = 5e+08
+color = Color(0, 0, 0, 1)
diff --git a/coreloader.gd b/coreloader.gd
index 5a890e8..bce5fb9 100644
--- a/coreloader.gd
+++ b/coreloader.gd
@@ -53,4 +53,4 @@ func _ready() -> void:
 	Logger.info("coreloader","Adding project init script to /root/")
 	get_tree().root.add_child(initscr_obj)
 	Logger.info("coreloader","Removing coreloader")
-	coreloader.queue_free()
+	queue_free()
diff --git a/corelog.gd b/corelog.gd
index b26427b..1c7f2fc 100644
--- a/corelog.gd
+++ b/corelog.gd
@@ -19,7 +19,7 @@ func _ready():
 	get_child(0,true).add_theme_stylebox_override("grabber_pressed",StyleBoxEmpty.new())
 	get_child(0,true).add_theme_stylebox_override("scroll",StyleBoxEmpty.new())
 	get_child(0,true).add_theme_stylebox_override("scroll_focus",StyleBoxEmpty.new())
-	get_child(0,true).size = Vector2i(0,0)
+	get_child(0,true).set_deferred("size",Vector2i(0,0))
 	get_child(0,true).mouse_filter = Control.MOUSE_FILTER_IGNORE
 	# Make RichTextLabel ignore all mouse events (to disable scrolling)
 	mouse_filter = Control.MOUSE_FILTER_IGNORE