User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040913 Build Identifier: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.3) Gecko/20040913 In my environment, all users have kogspc2>/home/utcke% echo $MOZ_PLUGIN_PATH /software/acrobat-5.0.7/Browsers/intellinux:/software/flash-7/Linux/plugins:/software/j2sdk1.4.2_04/Linux/jre/plugin/i386/ns610-gcc32 which, among other things, enables the acrobat-plugin. However, I prefer to read pdf's in a seperate acrobat (for several reasons, most noteably that the keybindings inside the acrobat plugin interfer with my window-manager, and that the plugin is for some reason dead-slow). Ok, I realise I _could_ simply edit MOZ_PLUGIN_PATH, but I don't think I should need to. Instead the following _should_ work: Edit -> Preferences... -> Navigator - Helper Applications choose application/pdf Edit... Open it with: acroread OK But now mozilla tells me: Mozilla can handle this type internally. For such types, a Helper Application will only be invoked if the server requests external handling. Excuse me? I don't give a flying f*ck what the server requests, I, The User, just requested external handling, and no matter how proud mozilla is that it can now use plugins, I at least expect a button / checkbox / whatever which allows me to override this. Well, not so... Reproducible: Always Steps to Reproduce: 1.Edit -> Preferences... -> Navigator - Helper Applications 2.choose application/pdf 3.Edit... Open it with: acroread OK Actual Results: mozilla tells me: Mozilla can handle this type internally. For such types, a Helper Application will only be invoked if the server requests external handling. Expected Results: Simply do what I asked it to do: Use the external application I entered!