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IAR 8051 error

Hi guys,

I've changed my computer system to Windows 8.1 having some issues with my IAR 8051 (8.30).  When I compile my projects sometimes I got this error message:

Fatal error: Option: '-p file' (device description file name) multiply defined

Session aborted!

After that, I need to restart the IAR to re-compile my project.

Has anyone any idea about how can I solve it?