µVision UI problem - Not able to open the Project Window


I'm using the µVision3 (version 3.60)
Since one week my "Project window" disappear and I m not able to restore it!

I don't know what happen and I did not find a way to restore it since one week.

I tried to perform this:
View >> Project Window

The screen is blinking one time, but nothing happen...

Is someone know how to restore it ?
I think there is somewhere one config file to specify this ???

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