diff --git a/.gitea/workflows/build-windows.yml b/.gitea/workflows/build-windows.yml
index 6661fed..f7c9bda 100644
--- a/.gitea/workflows/build-windows.yml
+++ b/.gitea/workflows/build-windows.yml
@@ -63,6 +63,15 @@ jobs:
           echo "SHORT_SHA=${SHORT_SHA}" >> $GITHUB_ENV
           mv Argyll_V*_win64_exe.zip "Argyll_${TAG}_${SHORT_SHA}_win64_exe.zip"
           
+      - name: Verify Package Contents
+        run: |
+          ZIP_FILE=$(ls Argyll_*_win64_exe.zip)
+          echo "Verifying contents of ${ZIP_FILE}..."
+          unzip -l "${ZIP_FILE}" | grep "usb/ArgyllCMS.inf"
+          unzip -l "${ZIP_FILE}" | grep "usb/bin/amd64/libusb0.sys"
+          unzip -l "${ZIP_FILE}" | grep "doc/ArgyllDoc.html"
+          unzip -l "${ZIP_FILE}" | grep "ReadMe.txt"
+
       - name: Upload Artifact
         uses: actions/upload-artifact@v3
         with:
diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 90495b5..711785b 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -65,6 +65,15 @@ jobs:
           echo "SHORT_SHA=${SHORT_SHA}" >> $GITHUB_ENV
           mv Argyll_V*_win64_exe.zip "Argyll_${TAG}_${SHORT_SHA}_win64_exe.zip"
           
+      - name: Verify Package Contents
+        run: |
+          ZIP_FILE=$(ls Argyll_*_win64_exe.zip)
+          echo "Verifying contents of ${ZIP_FILE}..."
+          unzip -l "${ZIP_FILE}" | grep "usb/ArgyllCMS.inf"
+          unzip -l "${ZIP_FILE}" | grep "usb/bin/amd64/libusb0.sys"
+          unzip -l "${ZIP_FILE}" | grep "doc/ArgyllDoc.html"
+          unzip -l "${ZIP_FILE}" | grep "ReadMe.txt"
+
       - name: Upload Artifact
         uses: actions/upload-artifact@v4
         with:
diff --git a/makepackagebin.sh b/makepackagebin.sh
index 30da71e..f7beac1 100755
--- a/makepackagebin.sh
+++ b/makepackagebin.sh
@@ -167,13 +167,21 @@ fi
 rm -rf $TOPDIR
 mkdir $TOPDIR
 
+# Ensure catalog copies exist if needed for Windows packaging
+if [ -d usb ] ; then
+	if [ -f usb/ArgyllCMS.cat ] ; then
+		[ ! -f usb/ArgyllCMS_x64.cat ] && cp usb/ArgyllCMS.cat usb/ArgyllCMS_x64.cat
+		[ ! -f usb/ArgyllCMS_arm64.cat ] && cp usb/ArgyllCMS.cat usb/ArgyllCMS_arm64.cat
+	fi
+fi
+
 # Collect the names of all the files that we're going to package
-unset topfiles; for i in `cat binfiles`; do topfiles="$topfiles ${i}"; done
-unset docfiles; for i in `cat doc/afiles`; do docfiles="$docfiles doc/${i}"; done
+unset topfiles; for i in `tr -d '\r' < binfiles`; do topfiles="$topfiles ${i}"; done
+unset docfiles; for i in `tr -d '\r' < doc/afiles`; do docfiles="$docfiles doc/${i}"; done
 unset usbfiles;
 for j in ${USBDIRS}; do
 	if [ ${j} ]; then
-		for i in `cat ${j}/${USBBINFILES}`; do usbfiles="$usbfiles ${j}/${i}"; done
+		for i in `tr -d '\r' < ${j}/${USBBINFILES}`; do usbfiles="$usbfiles ${j}/${i}"; done
 	fi
 done
 
@@ -183,16 +191,16 @@ allfiles="${topfiles} bin/* ref/* ${docfiles} ${usbfiles}"
 for i in ${allfiles}; do
 	path=${i%/*}		# extract path without filename
 	file=${i##*/}		# extract filename
-	if [ $path = $i ] ; then
+	if [ "$path" = "$i" ] ; then
 		path=
 	fi
-	if [ X$path != "X" ] ; then
-		mkdir -p $TOPDIR/${path}
+	if [ X"$path" != "X" ] ; then
+		mkdir -p "$TOPDIR/${path}"
 	fi
-	if [ X${file} = "Xafiles" ] ; then
+	if [ X"${file}" = "Xafiles" ] ; then
 		continue
 	fi
-	cp $i $TOPDIR/$i
+	cp "$i" "$TOPDIR/$i" || { echo "Failed to copy $i to $TOPDIR/$i"; exit 1; }
 done
 
 # Create the package
diff --git a/usb/ArgyllCMS_arm64.cat b/usb/ArgyllCMS_arm64.cat
new file mode 100644
index 0000000..a1c607c
Binary files /dev/null and b/usb/ArgyllCMS_arm64.cat differ
diff --git a/usb/ArgyllCMS_x64.cat b/usb/ArgyllCMS_x64.cat
new file mode 100644
index 0000000..a1c607c
Binary files /dev/null and b/usb/ArgyllCMS_x64.cat differ