Hello Marius Nteguem Youbi,
Please check whether there is valid license.dat file in the folder C:\Program Files (x86)\Freescale\CodeWarrior PA V8.8.
If no, please login www.nxp.com, please click MY ACCOUNT->Software Licensing and Support->NXP Software->CodeWarrior Development Tool - Evaluation Software->CodeWarrior DS for Power Architecture, Professional Edition (Windows Hosted) WIN Evaluation / Updates, at the Product Download page, please click License Keys to download the Evaluation license file.
In addition, please refer to the attached ppt for flash programming in CodeWarrior 8.8.
Have a great day,
TIC
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