Comment 1 for bug 1528767

Do you mean the installer (the exe downloaded from the website) or the updater (the built-in process)? The installer should not be failing in the first place, and the updater works very much like the proposed steps (it upzips to UpdateStage and puts the old files in UpdateDirty) - so I'd like to confirm which one we're talking about here. And please can you explain what the failure was, either symptoms or cause if known?