It said "Some errors occurred, see patch_log.txt for details". Patch log said that Fallout 4 files not found on my system drive, but I have Fallout 4 and London installed on my gaming disk :( There is no freaking way I'm gonna through that download-downgrade-download-mod(s) installation hell again...

I tried to update London installation with installer.exe over existing Fallout 4 + London installation, still doesn't work

Bump. Anyone?

Same on my machine.
Except for ini. files, I copied the new or patched files from London to the goty folder (Data and src folder) and run the .bat in the data folder then.
Games is running and on the first save load, it showed me the new version.

Where did you get updated files? I only have GOG patch installer from the London page.

i updated with galaxy and tried to start the update with the London Launcher. No luck.
i tried then the offline patch, but only "already patched" showed up.
so i copied then the files by myself.