Getting error message while updating Cube orange to copter 4.1.5

Getting error message while updating Cube orange to copter 4.1.5. this message is shown while i try to update via the install firmware tab but am able to get the cube updated via install legacy firmware is this a problem with my pc or something else?

error message while trying to update via the standard install firmware tab.

Hello @ritik_harbola,

I have never faced this specific problem, but some time ago I had a problem loading firmware into Cube Black and solved by updating its bootloader. Have you ever tried it?