Azocar @Azocar Member Joined Jun 7, 2014 0 Topics started 1 Replies posted 0 Favorites 12 yrs Member for Profile Topics Replies 1 Favorites Forum Replies Created Viewing 1 post (of 1 total) Jun 7, 2014 at 8:07 pm #16915 Member Azocar OP Hello Shaon!! Last year I installed Version 2.6.4 and today I pay for “DM-Pro-v4.1.1”. but I see this massasge in the “Install Plugins”: Installing Plugin from uploaded file: Download-Manager-Pro-v4.1.1.zip Unpacking the package… Installing the plugin… The package could not be installed. No valid plugins were found. Plugin install failed. How I do this upgrade to pro version? Viewing 1 post (of 1 total)