diff --git a/osx/Dockerfile b/osx/Dockerfile
index da08a9f7..8deef214 100644
--- a/osx/Dockerfile
+++ b/osx/Dockerfile
@@ -44,7 +44,7 @@ RUN curl -fsSL -o /boot2docker.iso https://github.com/boot2docker/boot2docker/re
 ENV KITEMATIC_VERSION 0.8.1
 RUN curl -fsSL -o /kitematic.zip https://github.com/kitematic/kitematic/releases/download/v$KITEMATIC_VERSION/Kitematic-$KITEMATIC_VERSION-Mac.zip
 
-ENV INSTALLER_VERSION 1.8.0a
+ENV INSTALLER_VERSION 1.8.0b
 
 ENV MIXPANEL_TOKEN c306ae65c33d7d09fe3e546f36493a6e
 
diff --git a/osx/mpkg/Distribution b/osx/mpkg/Distribution
index 25d058ba..d355a242 100644
--- a/osx/mpkg/Distribution
+++ b/osx/mpkg/Distribution
@@ -114,7 +114,7 @@
        {
            test = system.version['ProductVersion'];
            system.log("OS version detected: " + test);
-           result = (system.compareVersions(test, '10.6') >= 0);
+           result = (system.compareVersions(test, '10.9') >= 0);
        } catch (e) { system.log(e); result = false; }
 
        if (!result)
@@ -131,7 +131,7 @@
            line checking for running VMs instead. */
            if (vboxNeedsUpgrade()) {
                system.log(vboxplist.CFBundleVersion);
-               rcScript = system.run('/bin/sh', '-c', '/bin/ps -e | /usr/bin/grep -E "VirtualBox.*startvm|VBoxNetDHCP|VBoxNetNAT|VBoxHeadless|VBoxSVC" | /usr/bin/grep -qv grep');
+               rcScript = system.run('/bin/sh', '-c', '/bin/ps -e | /usr/bin/grep -E "VirtualBox|VirtualBox.*startvm|VBoxNetDHCP|VBoxNetNAT|VBoxHeadless|VBoxSVC" | /usr/bin/grep -qv grep');
                result = (rcScript != 0);
                system.log("system.run /bin/sh .. returned: " + rcScript + " result=" + result);
            }
diff --git a/osx/mpkg/Docker Quickstart Terminal.app/Contents/Resources/Scripts/main.scpt b/osx/mpkg/Docker Quickstart Terminal.app/Contents/Resources/Scripts/main.scpt
index aab9065f..2cc43942 100644
Binary files a/osx/mpkg/Docker Quickstart Terminal.app/Contents/Resources/Scripts/main.scpt and b/osx/mpkg/Docker Quickstart Terminal.app/Contents/Resources/Scripts/main.scpt differ
diff --git a/osx/mpkg/Docker Quickstart Terminal.app/Contents/Resources/Scripts/start.sh b/osx/mpkg/Docker Quickstart Terminal.app/Contents/Resources/Scripts/start.sh
index bc822bd3..10bf5cf6 100755
--- a/osx/mpkg/Docker Quickstart Terminal.app/Contents/Resources/Scripts/start.sh	
+++ b/osx/mpkg/Docker Quickstart Terminal.app/Contents/Resources/Scripts/start.sh	
@@ -21,13 +21,13 @@ fi
 $VBOXMANAGE showvminfo $VM &> /dev/null
 VM_EXISTS_CODE=$?
 
-if [ $VM_EXISTS_CODE -ne 0 ]; then
+if [ $VM_EXISTS_CODE -eq 1 ]; then
   echo "Creating Machine $VM..."
   $DOCKER_MACHINE rm -f $VM &> /dev/null
   rm -rf ~/.docker/machine/machines/$VM
-  $DOCKER_MACHINE create -d virtualbox --virtualbox-memory 2048 $VM
+  $DOCKER_MACHINE -D create -d virtualbox --virtualbox-memory 2048 $VM
 else
-  echo "Machine $VM already exists."
+  echo "Machine $VM already exists in VirtualBox."
 fi
 
 echo "Starting machine $VM..."
diff --git a/windows/start.sh b/windows/start.sh
index 1a3b1f50..76964ecc 100644
--- a/windows/start.sh
+++ b/windows/start.sh
@@ -32,7 +32,7 @@ echo "Starting machine $VM..."
 $DOCKER_MACHINE start $VM
 
 echo "Setting environment variables for machine $VM..."
-eval "$($DOCKER_MACHINE env $VM 2>/dev/null)"
+eval "$($DOCKER_MACHINE env $VM)"
 
 clear
 cat << EOF