fix var name and better format log

Uninstall-MSI.ps1

@@ -40,8 +40,8 @@ Foreach ( $reg in $UNINSTALL_KEYS ) {
             ## Uninstall the app
             If ( $PRODUCT_CODE ) {
                 LogMsg "Uninstalling ${DISPLAY_NAME} ${PRODUCT_CODE}"
-                $args = '/X{' + $PRODUCT_CODE + '} /qn /norestart'
-                Try { Start-Process -FilePath "msiexec.exe" -ArgumentList $args -Wait }
+                $arguments = '/X{' + $PRODUCT_CODE + '} /qn /norestart'
+                Try { Start-Process -FilePath "msiexec.exe" -ArgumentList $arguments -Wait }
                 Catch { LogErr $_.Exception.Message }
 
                 If ( $INSTALL_LOCATION ) {
@@ -54,7 +54,7 @@ Foreach ( $reg in $UNINSTALL_KEYS ) {
             }
         }
         Else {
-            LogMsg "`nFound ${DISPLAY_NAME}, but it cannot be uninstalled by this script`nUninstallString: ${UNINSTALLSTRING}`n"
+            LogMsg "Cannot uninstall ""${DISPLAY_NAME}""`n                      UninstallString: ${UNINSTALLSTRING}"
         }
     }
 }