diff --git a/PCK-Studio/Classes/Misc/FTPClient.cs b/PCK-Studio/Classes/Misc/FTPClient.cs
index 099f9029..0bea41c3 100644
--- a/PCK-Studio/Classes/Misc/FTPClient.cs
+++ b/PCK-Studio/Classes/Misc/FTPClient.cs
@@ -15,9 +15,8 @@ namespace PckStudio.Classes.Misc
         private FtpWebResponse response = null;
         private Stream _stream = null;
 
-
         public FTPClient(string host, string username)
-            : this(new Uri(host), username)
+            : this(new Uri(host), username, string.Empty)
         {
         }
 
@@ -52,7 +51,8 @@ namespace PckStudio.Classes.Misc
             return request;
         }
 
-        public void DownloadFile(string remoteFilepath, string localFile)
+        // TODO: let it accept a destination Stream ?
+        public void DownloadFile(string remoteFilepath, string localFilepath)
         {
             try
             {
@@ -67,23 +67,25 @@ namespace PckStudio.Classes.Misc
 
                 response = (FtpWebResponse)request.GetResponse();
                 _stream = response.GetResponseStream();
-                FileStream fileStream = new FileStream(localFile, FileMode.OpenOrCreate);
                 byte[] buffer = new byte[Convert.ToInt32(GetFileSize(remoteFilepath))];
                 int num = _stream.Read(buffer, 0, Convert.ToInt32(GetFileSize(remoteFilepath)));
-                try
+
+                using (FileStream fileStream = new FileStream(localFilepath, FileMode.OpenOrCreate))
                 {
-                    while (num > 0)
+                    try
                     {
-                        fileStream.Write(buffer, 0, num);
-                        num = _stream.Read(buffer, 0, Convert.ToInt32(GetFileSize(remoteFilepath)));
+                        while (num > 0)
+                        {
+                            fileStream.Write(buffer, 0, num);
+                            num = _stream.Read(buffer, 0, Convert.ToInt32(GetFileSize(remoteFilepath)));
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        Console.WriteLine(ex.ToString());
                     }
                 }
-                catch (Exception ex)
-                {
-                    Console.WriteLine(ex.ToString());
-                }
 
-                fileStream.Close();
                 _stream.Close();
                 response.Close();
                 request = null;
diff --git a/PCK-Studio/Forms/Utilities/installPS3.cs b/PCK-Studio/Forms/Utilities/installPS3.cs
index e8d306d5..b0c1e4b8 100644
--- a/PCK-Studio/Forms/Utilities/installPS3.cs
+++ b/PCK-Studio/Forms/Utilities/installPS3.cs
@@ -292,8 +292,8 @@ namespace PckStudio.Forms
 
                 if (openPCK.ShowDialog() == DialogResult.OK)
                 {
-                    FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "");
-                    client.UploadFile(openPCK.FileName, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
+                    using (FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", ""))
+                        client.UploadFile(openPCK.FileName, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
                     MessageBox.Show("PCK Replaced!");
                 }
             }
@@ -341,8 +341,8 @@ namespace PckStudio.Forms
             if (listViewPCKS.SelectedItems.Count != 0)
             {
                 buttonMode("loading");
-                FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "");
-                client.UploadFile(mod, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
+                using (FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", ""))
+                    client.UploadFile(mod, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
                 MessageBox.Show("PCK Replaced!");
             }
             buttonMode("stop");
diff --git a/PCK-Studio/Forms/Utilities/installVita.cs b/PCK-Studio/Forms/Utilities/installVita.cs
index 28c90622..25203963 100644
--- a/PCK-Studio/Forms/Utilities/installVita.cs
+++ b/PCK-Studio/Forms/Utilities/installVita.cs
@@ -292,8 +292,8 @@ namespace PckStudio.Forms
 
                 if (openPCK.ShowDialog() == DialogResult.OK)
                 {
-                    FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "");
-                    client.UploadFile(openPCK.FileName, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
+                    using (FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", ""))
+                        client.UploadFile(openPCK.FileName, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
                     MessageBox.Show("PCK Replaced!");
                 }
             }
@@ -341,8 +341,8 @@ namespace PckStudio.Forms
             if (listViewPCKS.SelectedItems.Count != 0)
             {
                 buttonMode("loading");
-                FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "");
-                client.UploadFile(mod, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
+                using (FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", ""))
+                    client.UploadFile(mod, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
                 MessageBox.Show("PCK Replaced!");
             }
             buttonMode("stop");
diff --git a/PCK-Studio/Forms/Utilities/installWiiU.cs b/PCK-Studio/Forms/Utilities/installWiiU.cs
index 7e02d173..c988e283 100644
--- a/PCK-Studio/Forms/Utilities/installWiiU.cs
+++ b/PCK-Studio/Forms/Utilities/installWiiU.cs
@@ -347,8 +347,8 @@ namespace PckStudio.Forms
                 
                 if (openPCK.ShowDialog() == DialogResult.OK)
                 {
-                    FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "a3262443");
-                    client.UploadFile(openPCK.FileName, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
+                    using (FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "a3262443"))
+                        client.UploadFile(openPCK.FileName, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
                     if(TextBoxPackImage.Text != "")
                     {
                         string PackID = GetPackID(openPCK.FileName);
@@ -412,8 +412,8 @@ namespace PckStudio.Forms
             if (listViewPCKS.SelectedItems.Count != 0)
             {
                 buttonMode("loading");
-                FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "a3262443");
-                client.UploadFile(mod, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
+                using (FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "a3262443"))
+                    client.UploadFile(mod, dlcPath + "/" + listViewPCKS.SelectedItems[0].Text + "/" + listViewPCKS.SelectedItems[0].Tag.ToString());
                 if (TextBoxPackImage.Text != "")
                 {
                     string PackID = GetPackID(mod);
@@ -437,8 +437,8 @@ namespace PckStudio.Forms
 
         private void GetARCFromConsole()
         {
-            FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "a3262443");
-            client.DownloadFile(dlcPath + "../../Common/Media/MediaWiiU.arc", Program.AppData + "MediaWiiU.arc");
+            using (FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "a3262443"))
+                client.DownloadFile(dlcPath + "../../Common/Media/MediaWiiU.arc", Program.AppData + "MediaWiiU.arc");
             archive = ARCFileReader.Read(new MemoryStream(File.ReadAllBytes(Program.AppData + "MediaWiiU.arc")));
         }
 
@@ -452,14 +452,17 @@ namespace PckStudio.Forms
 
         private void SendARCToConsole()
         {
-            FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "a3262443");
-            MemoryStream ms = new MemoryStream();
-            ARCFileWriter.Write(ms, archive);
-            File.WriteAllBytes(Program.AppData + "MediaWiiU.arc", ms.ToArray());
-            client.UploadFile(Program.AppData + "MediaWiiU.arc", dlcPath + "../../Common/Media/MediaWiiU.arc");
-            archive.Clear();
-            currentPCK.Files.Clear();
-            currentPCK = null;
+            using (FTPClient client = new FTPClient("ftp://" + textBoxHost.Text, "", "a3262443"))
+            {
+                MemoryStream ms = new MemoryStream();
+                ARCFileWriter.Write(ms, archive);
+                File.WriteAllBytes(Program.AppData + "MediaWiiU.arc", ms.ToArray());
+                client.UploadFile(Program.AppData + "MediaWiiU.arc", dlcPath + "../../Common/Media/MediaWiiU.arc");
+                archive.Clear();
+                currentPCK.Files.Clear();
+                currentPCK = null;
+                ms.Dispose();
+            }
             GC.Collect();
         }