Comment 4 for bug 1302317

> No - I do not drag it from the app-menu. I right click and tell cairo to
> turn it into a launcher.

And if you try to import a launcher from the Applications Menu, do you have this bug too?

> Sometimes it takes a few days and sometimes it disappears that same day.

This is really strange. Is it possible that an external program modifies some config files of the dock?