Warning: require(C:\AppServ\www\laser/simplewind/Core/ThinkPHP.php): failed to open stream: No such file or directory in C:\AppServ\www\laser\index.php on line 59

Fatal error: require(): Failed opening required 'C:\AppServ\www\laser/simplewind/Core/ThinkPHP.php' (include_path='.;C:\php\pear') in C:\AppServ\www\laser\index.php on line 59