Unable to upload firmware on pixhawk

Hi
I’m trying to upload px4 on cube orange but every time I’m facing this issue (image attached below).

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Which version of QGC is this?

I’m using latest version of qgc, v4.3.0

What if you unplug and re-plug the Cube? I assume the problem is that the 5s of the bootloader pass too quickly. Have you tried a different cable or a different port, maybe one without USB hub?

I tried different cable, different cube and also did the plug out plug in game, but it didn’t work. I think there might be some hardware issue of the board and that’s what I’m looking for.