File upload does not work since the last update 4 1

Hello!
Since the last update to version 4.1.1, uploading to the main site still works fine, but no secondary sites. The files are really up to the server folder, but upload.php gives me a wrong url. For example, the image uploaded is really at https://moodle.x10.mx/wp_new/wp-content/blogs.dir/3/files/2015/03/soundcould02.jpg, but the file uploader gives me a wrong URL type https://moodle.x10.mx/wp_new/corpoetic/files/2015/03/soundcould02.jpg

Following what people say in dicussions similar, I tried to fill in the field upload path settings secondary wp_new / corpoetic with different combinations as wp-content / uploads or wp-content / blogs.dir /, etc. But it still does not work well. Initially, this field was empty

I insist that this happens to me since the last update to WP 4,1,1, and the main site it works fine.

Any ideas?