diff --git a/Software/SPSS Statistics/update_SPSS.sh b/Software/SPSS Statistics/update_SPSS.sh
index b0e8ef6..3b3ea1a 100644
--- a/Software/SPSS Statistics/update_SPSS.sh	
+++ b/Software/SPSS Statistics/update_SPSS.sh	
@@ -3,7 +3,7 @@
 ###################################################################################################
 # Script Name:  update_SPSS.sh
 # By:  Zack Thompson / Created:  11/22//2017
-# Version:  1.4 / Updated:  1/18/2018 / By:  ZT
+# Version:  1.5 / Updated:  1/29/2018 / By:  ZT
 #
 # Description:  This script grabs the current location of the SPSSStatistics.app and injects it into the installer.properties file and then will upgrade an SPSS Installation.
 #
@@ -31,26 +31,36 @@
 ##################################################
 # Bits staged...
 
+if [[ -z "${appPath}" ]]; then
+	/usr/bin/logger -s "A previous version SPSS was not found in the expected location!"
+	/usr/bin/logger -s "*****  Upgrade SPSS process:  FAILED  *****"
+	exit 1
+fi
+
+/bin/echo "Upgrading SPSS Version:  ${currentVersion} at path:  ${appPath}"
+
 # Inject the location to the installer.properties file
-	LANG=C /usr/bin/sed -i '' 's,USER_INSTALL_DIR=,&'"${installPath}"',' "${pkgDir}/installer.properties"
+	LANG=C /usr/bin/sed -Ei '' 's,(#)?USER_INSTALL_DIR=.*,'"USER_INSTALL_DIR=${installPath}"',' "${pkgDir}/installer.properties"
 
 # Make sure the Patch.bin file is executable
-	/bin/chmod x+ "${pkgDir}/SPSS_Statistics_Installer_Mac_Patch.bin"
+	/bin/chmod +x "${pkgDir}/SPSS_Statistics_Installer_Mac_Patch.bin"
 
 # Silent upgrade using information in the installer.properties file
 /bin/echo "Upgrading SPSS..."
-	"${pkgDir}/SPSS_Statistics_Installer_Mac_Patch.bin" -f "${pkgDir}/installer.properties"
-	exitStatus=$?
-/bin/echo "Exit Status:  ${exitStatus}"
+	exitStatus=$("${pkgDir}/SPSS_Statistics_Installer_Mac_Patch.bin" -f "${pkgDir}/installer.properties")
+	exitCode=$?
 
-if [[ $exitStatus != 0 ]]; then
+# Check for the expected exit code.
+if [[ "${exitCode}" != "208" ]]; then
 	/bin/echo "ERROR:  Upgrade failed!"
+	/bin/echo "Exit Code:  ${exitCode}"
+	/bin/echo "Exit Status:  ${exitStatus}"
 	/bin/echo "*****  Upgrade SPSS process:  FAILED  *****"
-	exit 1
+	exit 2
 elif [[ $(/usr/bin/defaults read "${appPath}/Contents/Info.plist" CFBundleShortVersionString) != "${version}" ]]; then
 	/bin/echo "Injecting the proper version string into SPSS's Info.plist"
-	# Inject the proper version into the Info.plist file -- this may not be required for every version; specifically v24.0.0.2, it was needed
-	/usr/bin/sed -i '' 's/${currentVersion}/${version}/' "${appPath}/Contents/Info.plist"
+	# Inject the proper version into the Info.plist file -- this may not be required for every version; specifically for v24.0.0.2, it was needed
+	/usr/bin/sed -Ei '' 's/'"${majorVersion}.0.0.[0-9]"'/'"${version}"'/g' "${appPath}/Contents/Info.plist"
 fi
 
 /bin/echo "Upgrade complete!"