Had you seen my feedback about the FC3 fix, because in v1.05 this problem is still there?
And i wanted to mention another thing, that i recognized. When i get a new d64-File, i usually look into this file with the d64-editor first, before using it. And since two versions of Galaga, this tool always reports me a "Galaga is crosslinked with galage at blocks nr..." message, when i open the Galaga.d64 file. Also the tool shows not completely deleted files on this disk, which are still visible as scratched "scr" files and here seems to be the reason for this crosslinked-message.
Seems like you used a d64, on which an older version of the game was saved and this version was not fully deleted. The reason, why i mention this is, that this crosslinked blocks possibly could cause problems, for example with the score-saver and so on. Not a must, but could be. Better would be, to completely delete older versions of the game on this disk, or to use an empty and fresh d64, when a new version appears.