basically I uninstalled Fiesta and Launcher. Reinstalled it, let it finishing update and patched it manually. lol
I think I got the "2 arguments" error when I tried to install the patch into the Launcher location. Just start afresh. After uninstalling Fiesta in the Start menu, go to C:\Program Files\Outspark\Launcher, click uninstall.exe to remove the launcher. Then reinstall Fiesta normally and go back to what I said.
Worked for me. Not sure how it'll turn out for you.
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Primum non nocere
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