nextgen gallery 404 no found

whenever you upgrade from version 2.0.27 (this if it works) to 2.0.30 or 2.0.31 sampling the photo gallery on the blog I get error 404 with this route:https://www.guru-store.com/reviews/frezeer-i30/nggallery/image/100_3825-2/
skewer on a photo if loose the path is correct:https://www.guru-store.com/blog/wp-content/gallery/frezeer-i30/100_3890.jpg
however if I use the full gallery viewer gives me a wrong path, as shown.
I created a 301 redirect to resolve it but no good. The route of my blog is:www.guru-store.com/blog
In short: the images if they are well targeted to the plugin but the view from the gallery and do not need to know how to fix the error.
thanks