error when formatting external disk

Question

I have a pendrive with the installer of ubuntu 16.04 which I want to format to give it another use but when I try to format it I get the following error:

screenshot with error

how to solve this error?

Translation of screenshot:

ERROR deleting partition ... controler says physical block size is 2048 bytes, but Linux says that it is 512 bytes.

Answer 1

You can use gparted to write a new partition table (msdos) Select Device -> Create Partition Table (msdos)

If gparted is not install run: sudo apt-get install gparted