Hi,
As I understand, this may be the server configuration issue. You once contact your server support for this issue. If is resulted due to permission issue then it could be solved from there. Here is the link from the stackoverflow which may be fruitful to solve the issue https://wordpress.stackexchange.com/questions/59763/how-to-fix-http-error-when-uploading-images
Hi @ssantika,
I checked the site in firefox and chrome, it shows content. You can try updating browser and try out once again.
