problem in compile simulation libraries

[lahbib beddouj]

hello,

i want to compile simulation libraries for modelsim through EDK,
the version of EDK is 9.1i  and the version of modelsim PE student EDITION 6.5b,
but i have always a  box which write  "modelsim is not found please ensure that the simulator is correctly installed and\or the necessary environnement setting are available".
and when i lunch the modelsim alone ,it's functional
please help me

LAHBIB

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Lahbib Beddouj
élève Ingénieur en Systèmes Electronique et Automatique
à l'ENSA-Tanger
+21264293180