Maya PLE werkt niet

ik heb Maya PLE gedownload maar als ik het prog open komt er alleen maar een kader met CommandWnd en errors :s in de menubalk bovenaan kan ik niets aanklikken

/ Error: source initMainWindow; //
// Error: “/Applications/Maya 4.5 Personal Learning Ed./Application Support/scripts/startup/initialLayout.mel” line 73.24: Cannot find file “initMainWindow” for source statement. //
// Error: source initContexts; //
// Error: “/Applications/Maya 4.5 Personal Learning Ed./Application Support/scripts/startup/initialLayout.mel” line 75.22: Cannot find file “initContexts” for source statement. //
// Error: source initMainMenuBar; //
// Error: “/Applications/Maya 4.5 Personal Learning Ed./Application Support/scripts/startup/initialLayout.mel” line 243.35: Cannot find file “initMainMenuBar” for source statement. //
// Error: source selectionMaskStackInit; //
// Error: “/Applications/Maya 4.5 Personal Learning Ed./Application Support/scripts/startup/initialLayout.mel” line 364.31: Cannot find file “selectionMaskStackInit” for source statement. //