diff --git a/launch.pyw b/launch.pyw
index b6b9590..c70b990 100644
--- a/launch.pyw
+++ b/launch.pyw
@@ -8,6 +8,9 @@ from PyQt5.QtWidgets import QDialog, QApplication
 myappid = 'VodBox.pyWinContext.1.0' # arbitrary string
 ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID(myappid)
 
+if not hasattr(sys, "_MEIPASS"):
+	sys._MEIPASS = "."
+
 class LaunchDialog(QDialog, launch_dialog.Ui_Dialog):
 	def __init__(self):
 		super(self.__class__, self).__init__()
diff --git a/regutils.py b/regutils.py
index c0bc0b3..1aa3380 100644
--- a/regutils.py
+++ b/regutils.py
@@ -11,6 +11,7 @@ def create_sub_command(name, desc, command, icon):
 	else:
 		winreg.SetValueEx(key, "Icon", 0, winreg.REG_SZ, "")
 	winreg.SetValueEx(key, "direct", 0, winreg.REG_SZ, "Yes")
+	key.Close()
 
 def create_sub_group(name, desc, icon, coms):
 	key = winreg.OpenKey(winreg.HKEY_LOCAL_MACHINE,'Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\CommandStore\\shell',0,winreg.KEY_ALL_ACCESS|winreg.KEY_WOW64_64KEY)
@@ -22,6 +23,8 @@ def create_sub_group(name, desc, icon, coms):
 		winreg.SetValueEx(comKey, "Icon", 0, winreg.REG_SZ, icon)
 	else:
 		winreg.SetValueEx(comKey, "Icon", 0, winreg.REG_SZ, "")
+	key.Close()
+	comKey.Close()
 
 def create_group(name, desc, filetype, icon, coms):
 	key = winreg.CreateKey(winreg.HKEY_CLASSES_ROOT, "SystemFileAssociations\\" + filetype + "\\shell")
@@ -32,6 +35,8 @@ def create_group(name, desc, filetype, icon, coms):
 		winreg.SetValueEx(comKey, "Icon", 0, winreg.REG_SZ, icon)
 	else:
 		winreg.SetValueEx(comKey, "Icon", 0, winreg.REG_SZ, "")
+	key.Close()
+	comKey.Close()
 
 def create_command(name, desc, command, filetype, icon):
 	key = winreg.CreateKey(winreg.HKEY_CLASSES_ROOT, "SystemFileAssociations\\" + filetype + "\\shell")
@@ -41,6 +46,8 @@ def create_command(name, desc, command, filetype, icon):
 		winreg.SetValue(comKey, "Icon", winreg.REG_SZ, icon)
 	winreg.CreateKey(comKey, "command")
 	winreg.SetValue(comKey, "command", winreg.REG_SZ, command)
+	key.Close()
+	comKey.Close()
 
 def get_file_types():
 	keys = {}
@@ -61,25 +68,37 @@ def get_file_types():
 	return keys
 
 def remove_file_association(filetype, name):
-	key = winreg.CreateKey(winreg.HKEY_CLASSES_ROOT, "SystemFileAssociations\\" + filetype + "\\shell")
-	comKey = winreg.CreateKey(key, name)
-	remove_all_sub_keys(comKey)
-	winreg.DeleteKey(key, name)
+	try:
+		key = winreg.CreateKey(winreg.HKEY_CLASSES_ROOT, "SystemFileAssociations\\" + filetype + "\\shell")
+		comKey = winreg.CreateKey(key, name)
+		remove_all_sub_keys(comKey)
+		comKey.Close()
+		winreg.DeleteKey(key, name)
+		key.Close()
+	except WindowsError:
+		pass
 
 def remove_command_store(name):
-	key = winreg.CreateKey(winreg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\CommandStore\\shell")
-	comKey = winreg.CreateKey(key, name)
-	remove_all_sub_keys(comKey)
-	winreg.DeleteKey(key, name)
+	try:
+		key = winreg.CreateKey(winreg.HKEY_LOCAL_MACHINE, "SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Explorer\\CommandStore\\shell")
+		comKey = winreg.CreateKey(key, name)
+		remove_all_sub_keys(comKey)
+		comKey.Close()
+		winreg.DeleteKey(key, name)
+		key.Close()
+	except WindowsError as e:
+		print(e)
 
 def remove_all_sub_keys(key):
 	index = 0
 	length = winreg.QueryInfoKey(key)[0]
-	for i in range(0, length):
+	while length > 0:
 		try:
-			subname = winreg.EnumKey(key, i)
+			subname = winreg.EnumKey(key, 0)
 			subkey = winreg.CreateKey(key, subname)
 			remove_all_sub_keys(subkey)
+			subkey.Close()
+			length -= 1
 			winreg.DeleteKey(key, subname)
 		except OSError as e:
-			pass
+			print(e)
diff --git a/wincontext.py b/wincontext.py
index d3540ca..2fe16d0 100644
--- a/wincontext.py
+++ b/wincontext.py
@@ -38,6 +38,9 @@ class ComModes:
 
 import output
 
+if not hasattr(sys, "_MEIPASS"):
+	sys._MEIPASS = "."
+
 class WinContextApp(QMainWindow, app.Ui_MainWindow):
 	def __init__(self, direct):
 		super(self.__class__, self).__init__()
@@ -70,11 +73,11 @@ def changes(self):
 
 	def initUI(self):
 		app_icon = QtGui.QIcon()
-		app_icon.addFile(sys._MEIPASS+ '/' + 'images/icon_16.png', QtCore.QSize(16,16))
-		app_icon.addFile(sys._MEIPASS+ '/' + 'images/icon_24.png', QtCore.QSize(24,24))
-		app_icon.addFile(sys._MEIPASS+ '/' + 'images/icon_32.png', QtCore.QSize(32,32))
-		app_icon.addFile(sys._MEIPASS+ '/' + 'images/icon_48.png', QtCore.QSize(48,48))
-		app_icon.addFile(sys._MEIPASS+ '/' + 'images/icon.png', QtCore.QSize(256,256))
+		app_icon.addFile(sys._MEIPASS + '/' + 'images/icon_16.png', QtCore.QSize(16,16))
+		app_icon.addFile(sys._MEIPASS + '/' + 'images/icon_24.png', QtCore.QSize(24,24))
+		app_icon.addFile(sys._MEIPASS + '/' + 'images/icon_32.png', QtCore.QSize(32,32))
+		app_icon.addFile(sys._MEIPASS + '/' + 'images/icon_48.png', QtCore.QSize(48,48))
+		app_icon.addFile(sys._MEIPASS + '/' + 'images/icon.png', QtCore.QSize(256,256))
 		self.setWindowIcon(app_icon)
 		self.actionExit.triggered.connect(self.close)
 		self.actionSave.triggered.connect(self.action_save)