thank you for your response.
yes iam using 3.9.1 . i think this was happend after some changes in network admin settings. and now i can upload images but the uploaded images are not showing. the uploaded images link showing sitename/subsite/files/img.png
then i checked the media and take the link it shows
http://www.sitename.ca/subsite/files/img.png —-its not showing images—-
then iam loading
http://www.sitename.ca/subsite/wp-content/blogs.dir/files/6/img.png –its working—
how can i work the above link help me iam new in wordpress
