how to solve this error?

[udhayNuk]

@hugegreenbug @hyperdriveguy

i have used this tool [distroshare-ubuntu-imager] and i have getted an output iso file.
and i have booted usb with iso file.
when i pluged usb in pc and entered the pc for os installation occured error.

how to solve this?
i have attached photo

please solve.

[lentas1]

I got that on my hp laptop when i installed windows after manjaro.
Maybe grub has been corrupted

[lentas1]

Test that on virtual machine

[lentas1]

I cant help more :(