Used new notice() to notify user if executable file doesn't exist. (And re-install in that case too)

Main_menu.gd

@@ -48,7 +48,6 @@ func _process(_delta):
 
 # When everything is loaded,
 func _ready():
-	
 	# Determine the os_name
 	if OS.get_name() == "X11": # X11 is linuxy-based
 		os_name = "linux"
@@ -144,6 +143,8 @@ func _on_Play_button_pressed():
 	# If not,
 	#  Play the game
 	else:
+		# Check if there's an executable installed
+		if File.new().file_exists(OS.get_config_dir()+"/UltraFlare/current/UltraFlare-"+os_name+"-x86_64"+suffix):
 			# Attempt to execute the UltraFlare executable
 			var exit_code = OS.execute(OS.get_config_dir()+"/UltraFlare/current/UltraFlare-"+os_name+"-x86_64"+suffix, [], false)
 			
@@ -154,3 +155,7 @@ func _on_Play_button_pressed():
 			# If not, print out a debug message with the exit code
 			else:
 				print("Running UltraFlare failed with code: "+exit_code)
+		# If not,
+		else:
+			notice("Executable not found! Click 'UPDATE' to install it again", "alert")
+			Store.write_store("current_version", "")

Notice_msg.tscn

@@ -4,7 +4,6 @@
 [ext_resource path="res://Notice_msg.gd" type="Script" id=2]
 
 [sub_resource type="DynamicFont" id=1]
-size = 24
 extra_spacing_char = 4
 font_data = ExtResource( 1 )
 
@@ -37,7 +36,7 @@ tracks/1/keys = {
 
 [sub_resource type="Animation" id=3]
 resource_name = "move_off_screen"
-length = 0.3
+length = 0.5
 tracks/0/type = "value"
 tracks/0/path = NodePath("Label:rect_position")
 tracks/0/interp = 1
@@ -45,10 +44,10 @@ tracks/0/loop_wrap = true
 tracks/0/imported = false
 tracks/0/enabled = true
 tracks/0/keys = {
-"times": PoolRealArray( 0, 0.3 ),
+"times": PoolRealArray( 0, 0.5 ),
 "transitions": PoolRealArray( 1, 1 ),
 "update": 0,
-"values": [ Vector2( 0, 0 ), Vector2( -200, 0 ) ]
+"values": [ Vector2( 0, 0 ), Vector2( -1000, 0 ) ]
 }
 
 [node name="Notice_msg" type="Node2D"]