My studio is showing some errors

Fatal error: require_once() [function.require]: Failed opening required 'ModuleInstall/ModuleInstaller.php' (include_path='C:\xampp\htdocs\SugarCE;C:\xampp\ht docs\SugarCE\include/..;.;C:\xampp\php\PEAR') in C:\xampp\htdocs\SugarCE\modules\Administration\Qui ckRepairAndRebuild.php on line 213
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How to fix this error?