powershell catch error

lib/util.js

@@ -237,9 +237,17 @@ function powerShell(cmd) {
           child.kill();
           resolve(result);
         });
+        child.on('error', function () {
+          child.kill();
+          resolve(result);
+        });
 
-        child.stdin.write(cmd + '\n');
+        try {
-        child.stdin.end();
+          child.stdin.write(cmd + '\n');
+          child.stdin.end();
+        } catch (e) {
+          reject(result)
+        }
       } else {
         reject(result);
       }