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How to avoid this error Request a new UNLOCK key and enter it here?

Latest Updated:01/21/2016

Question:

When I start up the Flash Development Toolkit in Windows 10, I get the following error message.
How can I resolve this problem?

Error: "Request a new UNLOCK key and enter it here"

Answer:

The Flash Development Toolkit support Windows 10 by V.4.09 Release 03 released in January 2016.

Please use the Flash Development Toolkit V.4.09 Release 03.

Refer to the following Tool News about Flash Development Toolkit V.4.09 Release 03 for more details.
http://tool-support.renesas.com/eng/toolnews/160116/tn6.htm

Suitable Products
Flash Development Toolkit