diff --git a/luci-app-secubox/Makefile b/luci-app-secubox/Makefile
index 54de6c8f..40ec35d4 100644
--- a/luci-app-secubox/Makefile
+++ b/luci-app-secubox/Makefile
@@ -2,7 +2,7 @@ include $(TOPDIR)/rules.mk
 
 PKG_NAME:=luci-app-secubox
 PKG_VERSION:=0.7.0
-PKG_RELEASE:=2
+PKG_RELEASE:=3
 PKG_LICENSE:=Apache-2.0
 PKG_MAINTAINER:=CyberMind <contact@cybermind.fr>
 
@@ -16,20 +16,62 @@ LUCI_PKGARCH:=all
 # - RPCD scripts: 755 (executable by root, required for ubus calls)
 # - Helper scripts: 755 (if executable)
 # - Config files: 644 (readable by all, writable by root)
+# - Data directories: 755 (readable/searchable by all)
+# - Data files: 644 (readable by all)
 # - CSS/JS files: 644 (set automatically by luci.mk)
 PKG_FILE_MODES:=/usr/libexec/rpcd/luci.secubox:root:root:755 \
-	/usr/libexec/secubox/fix-permissions.sh:root:root:755
+	/usr/libexec/secubox/fix-permissions.sh:root:root:755 \
+	/usr/share/secubox:root:root:755 \
+	/usr/share/secubox/appstore:root:root:755 \
+	/usr/share/secubox/appstore/apps.json:root:root:644 \
+	/usr/share/secubox/profiles:root:root:755
 
 include $(TOPDIR)/feeds/luci/luci.mk
 
 define Package/$(PKG_NAME)/install
 	$(call Package/luci/install,$(1))
+
+	# Install SecuBox profiles
 	$(INSTALL_DIR) $(1)/usr/share/secubox/profiles
 	for file in $(CURDIR)/profiles/*.json; do \
-		$(INSTALL_DATA) $$file $(1)/usr/share/secubox/profiles/$$(basename $$file); \
+		[ -f "$$file" ] && $(INSTALL_DATA) $$file $(1)/usr/share/secubox/profiles/$$(basename $$file); \
 	done
+
+	# Install AppStore catalog (CRITICAL: Required for app store functionality)
 	$(INSTALL_DIR) $(1)/usr/share/secubox/appstore
 	$(INSTALL_DATA) $(CURDIR)/appstore/apps.json $(1)/usr/share/secubox/appstore/apps.json
+
+	# Verify appstore file was installed
+	@echo "SecuBox: Installed appstore catalog to /usr/share/secubox/appstore/apps.json"
+endef
+
+define Package/$(PKG_NAME)/postinst
+#!/bin/sh
+# SecuBox post-installation script
+# Ensures appstore catalog and permissions are correct
+
+[ -n "$${IPKG_INSTROOT}" ] || {
+	# Verify appstore catalog exists
+	if [ ! -f /usr/share/secubox/appstore/apps.json ]; then
+		echo "WARNING: SecuBox appstore catalog not found!"
+		echo "Expected: /usr/share/secubox/appstore/apps.json"
+		exit 1
+	fi
+
+	# Set proper permissions
+	chmod 755 /usr/share/secubox 2>/dev/null || true
+	chmod 755 /usr/share/secubox/appstore 2>/dev/null || true
+	chmod 644 /usr/share/secubox/appstore/apps.json 2>/dev/null || true
+	chmod 755 /usr/share/secubox/profiles 2>/dev/null || true
+
+	# Reload RPCD to pick up new methods
+	/etc/init.d/rpcd reload 2>/dev/null || true
+
+	echo "SecuBox: Installation complete"
+	echo "  - Appstore catalog: /usr/share/secubox/appstore/apps.json"
+	echo "  - RPCD methods available via: ubus call luci.secubox"
+}
+exit 0
 endef
 
 # call BuildPackage - OpenWrt buildroot