Umberto's answer unfortunately misses the point. The only thing I'm looking for is an explanation as to why the cargo loader starts up differently in the two states I described.
Not sure what other explanation you think he's going to give.
That may be true, but it doesn't mean that the problem doesn't exist at all.
There was never a point where I said the problem doesn't exist because I can see it in the screenshots. But if, as you say, everyone can reproduce the anomalies you described without much effort, somebody else would have seen it and reported it a long time ago, and that hasn't happened. You're the first person I have seen report this, so clearly it's not as easy to reproduce as you make it out to be.
Umberto only needs 20 minutes to reproduce the situation.
He tried. He said it didn't happen on his end. I'm not sure what more you think he can do. He mentioned in his first response that it could be a video driver issue, so what graphics card are you running.