So using a different pendrive worked, since your opening message was about an LST_ERR05 that’s no longer appearing.
Do not watch videos, all relevant and accurate tutorials are here.
From what you are describing, that “video you watched” does not represent your current scenario.
It should as long you follow the guide that has already been presented to you: Tutorial: Sync 3.4 NON-NAV APIM: Failure to Update to Newer Version Sync 3.4