Install for example the "mutter" package (in rawhide). You will get a dialog asking you to run the new application, but there is no application name etc shown. My guess would be that mutter ships some autorun .desktop file which GPK should not pick up as a "new application".
Created attachment 357532 [details] Screenshot
Cool, thanks for reporting this, it took a few commits to fix up all the issues propoerly: commit 2a210fdab4c58a6404a9072cd81a4d31e491584b Author: Richard Hughes <richard> Date: Tue Aug 18 12:20:16 2009 +0100 Ignore Window Managers when we are scanning desktop files to add :100644 100644 54e7407... 97a98eb... M src/gpk-helper-run.c commit 82cf69b54aec66ed176db99c23f448d4cb7101a3 Author: Richard Hughes <richard> Date: Tue Aug 18 12:12:19 2009 +0100 Ignore hidden desktop files when we show the list of new applications :100644 100644 937b1ed... 54e7407... M src/gpk-helper-run.c commit 27786f5639d721d955e70f6b47ee57df55a7d759 Author: Richard Hughes <richard> Date: Tue Aug 18 12:11:11 2009 +0100 Reduce in weight X-GNOME-Autostart-Phase desktop files :100644 100644 81ee46c... 4762fc2... M src/gpk-desktop.c