diff --git a/source/packages/com_mokosuitebackup/access.xml b/source/packages/com_mokosuitebackup/access.xml
new file mode 100644
index 00000000..c7e6f788
--- /dev/null
+++ b/source/packages/com_mokosuitebackup/access.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<access component="com_mokosuitebackup">
+	<section name="component">
+		<action name="core.admin" title="JACTION_ADMIN" />
+		<action name="core.options" title="JACTION_OPTIONS" />
+		<action name="core.manage" title="JACTION_MANAGE" />
+		<action name="core.create" title="JACTION_CREATE" />
+		<action name="core.delete" title="JACTION_DELETE" />
+		<action name="core.edit" title="JACTION_EDIT" />
+		<action name="core.edit.state" title="JACTION_EDITSTATE" />
+		<action name="mokosuitebackup.backup.run" title="COM_MOKOSUITEBACKUP_ACTION_BACKUP_RUN" />
+		<action name="mokosuitebackup.backup.download" title="COM_MOKOSUITEBACKUP_ACTION_BACKUP_DOWNLOAD" />
+		<action name="mokosuitebackup.backup.restore" title="COM_MOKOSUITEBACKUP_ACTION_BACKUP_RESTORE" />
+	</section>
+</access>
diff --git a/source/packages/com_mokosuitebackup/language/en-GB/com_mokosuitebackup.ini b/source/packages/com_mokosuitebackup/language/en-GB/com_mokosuitebackup.ini
index 7bb6af0c..ac36f20f 100644
--- a/source/packages/com_mokosuitebackup/language/en-GB/com_mokosuitebackup.ini
+++ b/source/packages/com_mokosuitebackup/language/en-GB/com_mokosuitebackup.ini
@@ -12,6 +12,14 @@ COM_MOKOJOOMBACKUP_SUBMENU_DASHBOARD="Dashboard"
 COM_MOKOJOOMBACKUP_SUBMENU_BACKUPS="Backup Records"
 COM_MOKOJOOMBACKUP_SUBMENU_PROFILES="Backup Profiles"
 
+; ACL Actions
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RUN="Run Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RUN_DESC="Allows users in this group to trigger backup operations."
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_DOWNLOAD="Download Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_DOWNLOAD_DESC="Allows users in this group to download backup archive files. These archives contain the full database and site files."
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RESTORE="Restore Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RESTORE_DESC="Allows users in this group to restore the site from a backup archive. This is a destructive operation that overwrites the current site."
+
 ; Dashboard view
 COM_MOKOJOOMBACKUP_DASHBOARD_TITLE="MokoSuiteBackup Dashboard"
 COM_MOKOJOOMBACKUP_DASHBOARD_LAST_BACKUP="Last Backup"
diff --git a/source/packages/com_mokosuitebackup/language/en-GB/com_mokosuitebackup.sys.ini b/source/packages/com_mokosuitebackup/language/en-GB/com_mokosuitebackup.sys.ini
index 3776c946..d9887da7 100644
--- a/source/packages/com_mokosuitebackup/language/en-GB/com_mokosuitebackup.sys.ini
+++ b/source/packages/com_mokosuitebackup/language/en-GB/com_mokosuitebackup.sys.ini
@@ -9,3 +9,11 @@ COM_MOKOJOOMBACKUP_DESCRIPTION="Full-site backup and restore for Joomla — data
 COM_MOKOJOOMBACKUP_SUBMENU_DASHBOARD="Dashboard"
 COM_MOKOJOOMBACKUP_SUBMENU_BACKUPS="Backup Records"
 COM_MOKOJOOMBACKUP_SUBMENU_PROFILES="Backup Profiles"
+
+; ACL Actions
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RUN="Run Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RUN_DESC="Allows users in this group to trigger backup operations."
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_DOWNLOAD="Download Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_DOWNLOAD_DESC="Allows users in this group to download backup archive files. These archives contain the full database and site files."
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RESTORE="Restore Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RESTORE_DESC="Allows users in this group to restore the site from a backup archive. This is a destructive operation that overwrites the current site."
diff --git a/source/packages/com_mokosuitebackup/language/en-US/com_mokosuitebackup.ini b/source/packages/com_mokosuitebackup/language/en-US/com_mokosuitebackup.ini
index e552cb61..2878f11d 100644
--- a/source/packages/com_mokosuitebackup/language/en-US/com_mokosuitebackup.ini
+++ b/source/packages/com_mokosuitebackup/language/en-US/com_mokosuitebackup.ini
@@ -9,6 +9,15 @@ COM_MOKOJOOMBACKUP_DESCRIPTION="Full-site backup and restore for Joomla"
 COM_MOKOJOOMBACKUP_SUBMENU_DASHBOARD="Dashboard"
 COM_MOKOJOOMBACKUP_SUBMENU_BACKUPS="Backup Records"
 COM_MOKOJOOMBACKUP_SUBMENU_PROFILES="Backup Profiles"
+
+; ACL Actions
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RUN="Run Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RUN_DESC="Allows users in this group to trigger backup operations."
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_DOWNLOAD="Download Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_DOWNLOAD_DESC="Allows users in this group to download backup archive files. These archives contain the full database and site files."
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RESTORE="Restore Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RESTORE_DESC="Allows users in this group to restore the site from a backup archive. This is a destructive operation that overwrites the current site."
+
 COM_MOKOJOOMBACKUP_DASHBOARD_TITLE="MokoSuiteBackup Dashboard"
 COM_MOKOJOOMBACKUP_DASHBOARD_LAST_BACKUP="Last Backup"
 COM_MOKOJOOMBACKUP_DASHBOARD_NO_BACKUPS="No backups yet"
diff --git a/source/packages/com_mokosuitebackup/language/en-US/com_mokosuitebackup.sys.ini b/source/packages/com_mokosuitebackup/language/en-US/com_mokosuitebackup.sys.ini
index 184d0b25..23f1d10e 100644
--- a/source/packages/com_mokosuitebackup/language/en-US/com_mokosuitebackup.sys.ini
+++ b/source/packages/com_mokosuitebackup/language/en-US/com_mokosuitebackup.sys.ini
@@ -9,3 +9,11 @@ COM_MOKOJOOMBACKUP_DESCRIPTION="Full-site backup and restore for Joomla — data
 COM_MOKOJOOMBACKUP_SUBMENU_DASHBOARD="Dashboard"
 COM_MOKOJOOMBACKUP_SUBMENU_BACKUPS="Backup Records"
 COM_MOKOJOOMBACKUP_SUBMENU_PROFILES="Backup Profiles"
+
+; ACL Actions
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RUN="Run Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RUN_DESC="Allows users in this group to trigger backup operations."
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_DOWNLOAD="Download Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_DOWNLOAD_DESC="Allows users in this group to download backup archive files. These archives contain the full database and site files."
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RESTORE="Restore Backup"
+COM_MOKOSUITEBACKUP_ACTION_BACKUP_RESTORE_DESC="Allows users in this group to restore the site from a backup archive. This is a destructive operation that overwrites the current site."
diff --git a/source/packages/com_mokosuitebackup/mokosuitebackup.xml b/source/packages/com_mokosuitebackup/mokosuitebackup.xml
index 2b101173..39c77090 100644
--- a/source/packages/com_mokosuitebackup/mokosuitebackup.xml
+++ b/source/packages/com_mokosuitebackup/mokosuitebackup.xml
@@ -50,6 +50,8 @@
 				  alt="Profiles">COM_MOKOJOOMBACKUP_SUBMENU_PROFILES</menu>
 		</submenu>
 		<files folder=".">
+			<filename>access.xml</filename>
+			<filename>config.xml</filename>
 			<folder>cli</folder>
 			<folder>forms</folder>
 			<folder>services</folder>
diff --git a/source/script.php b/source/script.php
index bfbbe1cf..9f949dcd 100644
--- a/source/script.php
+++ b/source/script.php
@@ -231,7 +231,9 @@ class Pkg_MokoSuiteBackupInstallerScript
 		$indexHtml = $backupDir . '/index.html';
 
 		if (!file_exists($indexHtml)) {
-			file_put_contents($indexHtml, '<!DOCTYPE html><title></title>');
+			if (file_put_contents($indexHtml, '<!DOCTYPE html><title></title>') === false) {
+				error_log('MokoSuiteBackup: Failed to write index.html to ' . $backupDir);
+			}
 		}
 	}
 
@@ -468,6 +470,11 @@ class Pkg_MokoSuiteBackupInstallerScript
 			}
 		} catch (\Exception $e) {
 			error_log('MokoSuiteBackup: ensureSubmenuItems() failed: ' . $e->getMessage());
+			Factory::getApplication()->enqueueMessage(
+				'MokoSuiteBackup could not create or update sidebar menu items. '
+				. 'If submenu entries are missing, try reinstalling the component.',
+				'warning'
+			);
 		}
 	}
 
@@ -502,6 +509,10 @@ class Pkg_MokoSuiteBackupInstallerScript
 			$db->execute();
 		} catch (\Exception $e) {
 			error_log('MokoSuiteBackup: syncMenuIcons() failed: ' . $e->getMessage());
+			Factory::getApplication()->enqueueMessage(
+				'MokoSuiteBackup could not update sidebar menu icons. This is cosmetic and does not affect functionality.',
+				'notice'
+			);
 		}
 	}
 
@@ -583,6 +594,11 @@ class Pkg_MokoSuiteBackupInstallerScript
 		}
 		catch (\Exception $e) {
 			error_log('MokoSuiteBackup: License key check failed: ' . $e->getMessage());
+			Factory::getApplication()->enqueueMessage(
+				'MokoSuiteBackup could not verify your license key status. '
+				. 'Please check System &rarr; Update Sites to ensure a valid license key is configured.',
+				'warning'
+			);
 		}
 	}
 }