REMOVING the Toshiba Flash Card Keys is the totally WRONG approach.
You need to follow these instuctions
(1) Download the correct Driver for the correct Toshiba Laptop.
(2) win10upgrade.toshiba.com/swupdate/eula.aspx?region=TEG&lang=en&country=GB
(3) click on the agree
(4) click on the UK
(5)...