The homepage of my website is mywebsite.com but the wrodpress installation is located in mywebsite.com/wordpress.
It is ok to use such scheme, wordpress can handle it and there are two options in General settings: home url (mywebsite.com) and wordpress url (mywebsite.com/wordpress). Many function rely on this two parameters to build their links.
After activating Image store plugin, somehow, all my admin pages start to point to 404 pages and there is no styling at all.
The source code says that everything is linked to pages like mywebsite.com/wp-admin/... or mywebsite.com/wp-includes/... but it should be mywebsite.com/wordpress/wp-admin/... and mywebsite.com/wordpress/wp-includes/...
Image store changes the wordpress url property somehow, but in database it doesn't change. It makes this plugin not usable for those who like to keep wordpress installation in a separate folder (for examle for those, who have forum and blog and a gallery on different CMS's).
After deactivatind the plugin, everything goes back to normal.