diff --git a/game.gd b/game.gd
index aeaf293..e084e9b 100644
--- a/game.gd
+++ b/game.gd
@@ -13,14 +13,15 @@ var state = {}
 
 func _ready():
 	var dir = Directory.new()
+	var repo_dir = tmp_prefix_outside+"repos/"
 	if not dir.dir_exists(tmp_prefix_outside):
 		var err = dir.make_dir(tmp_prefix_outside)
 		if err != OK:
 			helpers.crash("Could not create temporary directory %s." % tmp_prefix_outside)
-	if not dir.dir_exists(tmp_prefix_outside+"/repos/"):
-		var err = dir.make_dir(tmp_prefix_outside+"/repos/")
+	if not dir.dir_exists(repo_dir):
+		var err = dir.make_dir(repo_dir)
 		if err != OK:
-			helpers.crash("Could not create temporary directory %s." % (tmp_prefix_outside+"/repos/"))
+			helpers.crash("Could not create temporary directory %s." % repo_dir)
 	
 	global_shell = Shell.new()
 	fake_editor = copy_file_to_game_env("fake-editor")
@@ -60,16 +61,7 @@ func copy_file_to_game_env(filename):
 	return file_inside
 
 func _tmp_prefix_inside():
-	var os = OS.get_name()
-	var path
-	if os == "X11" or os == "OSX":
-		path = OS.get_user_data_dir()
-	elif os == "Windows":
-		helpers.crash("Need to figure out Windows tmp_prefix_inside...")
-	else:
-		helpers.crash("Unsupported OS: %s" % os)
-	
-	return path + "/tmp/"
+	return OS.get_user_data_dir() + "/tmp/"
 	
 func _tmp_prefix_outside():
 	return "user://tmp/"
diff --git a/helpers.gd b/helpers.gd
index d5b6344..2bb1200 100644
--- a/helpers.gd
+++ b/helpers.gd
@@ -21,12 +21,11 @@ func exec(command, args=[], crash_on_fail=true):
 	var output = []
 	var exit_code = OS.execute(command, args, true, output, true)
 	output = output[0]
-	
+		
 	if exit_code != 0 and crash_on_fail:
-		helpers.crash("OS.execute failed: %s [%s] Output: %s" % [command, PoolStringArray(args).join(", "), output])
-	
-	if debug:
-		print(output)
+		helpers.crash("OS.execute failed: %s [%s] Output: %s \nExit Code %d" % [command, PoolStringArray(args).join(", "), output, exit_code])
+	elif debug:
+		print("Output: %s" %output)
 
 	return output
 
@@ -78,7 +77,7 @@ func careful_delete(path_inside):
 	elif os == "OSX":
 		expected_prefix = "/Users/%s/Library/Application Support/git-hydra/tmp/" % OS.get_environment("USER")
 	elif os == "Windows":
-		helpers.crash("Need to figure out delete_prefix on Windows")
+		expected_prefix = "C:/Users/%s/AppData/Roaming/git-hydra/tmp/" % OS.get_environment("USERNAME")
 	else:
 		helpers.crash("Unsupported OS: %s" % os)
 	
diff --git a/shell.gd b/shell.gd
index c3f268b..db9d7ba 100644
--- a/shell.gd
+++ b/shell.gd
@@ -2,6 +2,7 @@ extends Node
 class_name Shell
 
 var _cwd
+var os = OS.get_name()
 
 #signal output(text)
 
@@ -47,8 +48,10 @@ func run(command, crash_on_fail=true):
 	# becomes
 	# 
 	#     "'test '"'"'fu'"'"' "bla" blubb"
-	# 
-	hacky_command = '"\''+hacky_command.replace("'", "'\"'\"'")+'\'"'
+	#
+	# Quoting Magic is not needed for Windows!
+	if os == "X11" or os == "OSX": 
+		hacky_command = '"\''+hacky_command.replace("'", "'\"'\"'")+'\'"'
 	
 	var output = helpers.exec(_shell_binary(), ["-c",  hacky_command], crash_on_fail)
 	
@@ -58,7 +61,7 @@ func run(command, crash_on_fail=true):
 	return output
 	
 func _shell_binary():
-	var os = OS.get_name()
+	
 	
 	if os == "X11" or os == "OSX":
 		return "bash"