diff --git a/phpBB/language/en/common.php b/phpBB/language/en/common.php
index 20e7acff91..7b6623e19a 100644
--- a/phpBB/language/en/common.php
+++ b/phpBB/language/en/common.php
@@ -352,6 +352,7 @@ $lang = array_merge($lang, array(
 	'HIDE_ME'						=> 'Hide my online status this session',
 	'HOURS'							=> 'Hours',
 	'HOME'							=> 'Home',
+	'HTTP_HANDLER_NOT_FOUND'		=> 'The operation could not be completed because the cURL PHP extension and allow_url_fopen PHP ini setting have been disabled and no other HTTP handler could be found.',
 
 	'ICQ'						=> 'ICQ',
 	'IF'						=> 'If',
diff --git a/phpBB/phpbb/file_downloader.php b/phpBB/phpbb/file_downloader.php
index 6c09cce831..88378d3a3a 100644
--- a/phpBB/phpbb/file_downloader.php
+++ b/phpBB/phpbb/file_downloader.php
@@ -75,8 +75,15 @@ class file_downloader
 	 */
 	public function get(string $host, string $directory, string $filename, int $port = 443, int $timeout = 6): bool|string
 	{
-		// Initialize Guzzle client
-		$client = $this->create_client($host, $port, $timeout);
+		try
+		{
+			// Initialize Guzzle client
+			$client = $this->create_client($host, $port, $timeout);
+		}
+		catch (\RuntimeException $exception)
+		{
+			throw new runtime_exception('HTTP_HANDLER_NOT_FOUND');
+		}
 
 		// Set default values for error variables
 		$this->error_number = 0;