Okay. I've released anoter RC (RC2).
All the bugs present on RC1 have been fixed, and the installer improved. The The "Component 'comdlg32.ocx' or one of its dependencies not correctly registered: a file is missing or invalid" error message should no longer appear.
(If you find any mistake in my English, please let me know via a PM)
(Really, I speak terrible English, so please, tell me if I make mistakes. I'd like to improve it a bit )