diff

diff --git a/src/MainPanel.cpp b/src/MainPanel.cpp
index 3909137..f93de06 100755
--- a/src/MainPanel.cpp
+++ b/src/MainPanel.cpp
@@ -240,7 +240,7 @@ void MainPanel::OnInstall(wxCommandEvent& event)
             iso = m_dvdDriveDevList.at(m_dvdDriveList->GetSelection());
         }
 
-        PipeManager pipe(std::string("gksudo --description 'WinUSB' -- sh -c 'winusb --noColor --forGui --format \"") + iso + "\" \"" + device + "\" 2>&1'");
+        PipeManager pipe(std::string("pkexec sh -c '/usr/local/bin/winusb --noColor --forGui --format \"") + iso + "\" \"" + device + "\" 2>&1'");
 
         wxProgressDialog *dialog = new wxProgressDialog(_("Installing..."), _("Please wait..."), 100, GetParent(), wxPD_APP_MODAL | wxPD_SMOOTH | wxPD_CAN_ABORT);
 
diff --git a/src/winusb b/src/winusb
index f4e0ac6..1784dab 100755
--- a/src/winusb
+++ b/src/winusb
@@ -413,7 +413,14 @@ uuid=$(blkid -o value -s UUID "$partition")
 
 # grub.cfg 
 echo "Installing grub.cfg..."
-cfgFilename="$partitionMountPath/grub/grub.cfg" 
+
+if [ -d "$partitionMountPath/grub2" ]
+then
+    cfgFilename="$partitionMountPath/grub2/grub.cfg"
+else
+    cfgFilename="$partitionMountPath/grub/grub.cfg" 
+fi
+
 mkdir -p "$(dirname "$cfgFilename")"
 echo -n "" > "$cfgFilename"