error getimagesize

I have the following error I have seen in the forum but I have no clear solution.
I have checked the file and is in the path and given 777 permissions to everything.
My hosting brings url fopen disabled I tried to activate a php.ini but not exactly where I have to put folders.
This is the link to the error.

Warning: getimagesize() [function.getimagesize]: URL file-access is disabled in the server configuration in /homepages/42/d418399071/htdocs/www/joomla/modules/mod_b2j_alfheim_image_gallery_lite/helper.php on line 381

Warning: getimagesize( [function.getimagesize]: failed to open stream: no suitable wrapper could be found in /homepages/42/d418399071/htdocs/www/joomla/modules/mod_b2j_alfheim_image_gallery_lite/helper.php on line 381

thank you very much in advance
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