Compile error

Hello guys, I’m trying to compile this sketch but this giving error, I do not know what this error is, nor why. the library are installed correctly !. Someone there knows Perque this error ?.

code:
/**

#include <PS2Mouse.h>
#define MOUSE_DATA 5
#define MOUSE_CLOCK 6

PS2Mouse mouse(MOUSE_CLOCK, MOUSE_DATA, STREAM);

void setup() {
Serial.begin(9600);
mouse.initialize();
}

void loop() {
int data[3];
mouse.report(data);
Serial.print(data[0]); // Status Byte
Serial.print(":");
Serial.print(data[1]); // X Movement Data
Serial.print(",");
Serial.print(data[2]); // Y Movement Data
Serial.println();
}

Error:

C:\Program Files (x86)\Arduino\libraries\PS2-Mouse-Arduino-master\PS2Mouse.cpp:1:24: fatal error: WConstants.h: No such file or directory

#include “WConstants.h”

^

compilation terminated.

exit status 1
Error compiling for board Arduino Leonardo.
Biblioteca inválida encontrada em C:\Program Files (x86)\Arduino\libraries__MACOSX: C:\Program Files (x86)\Arduino\libraries__MACOSX

Read this thread:- ARDUINO 1.0 - error: WConstants.h: No such file or directory

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