suddenly angular cli doesn't work.

Hi
when i start a new project with angular cli i get this error. didn't happened before, and i don't understand the error:
Unexpected token ...
SyntaxError: Unexpected token ...
    at exports.runInThisContext (vm.js:53:16)
    at Module._compile (module.js:373:25)
    at Object.Module._extensions..js (module.js:416:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Module.require (module.js:353:17)
    at require (internal/module.js:12:17)
    at Object.<anonymous> (C:\xampp\htdocs\testangforme2\node_modules\@ngtools\json-schema\src\index.js:3:30)
    at Module._compile (module.js:409:26)
    at Object.Module._extensions..js (module.js:416:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Module.require (module.js:353:17)
    at require (internal/module.js:12:17)
    at Object.<anonymous> (C:\xampp\htdocs\testangforme2\node_modules\angular-cli\models\config\config.js:9:21)
    at Module._compile (module.js:409:26)
    at Object.Module._extensions..js (module.js:416:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Module.require (module.js:353:17)
    at require (internal/module.js:12:17)
    at Object.<anonymous> (C:\xampp\htdocs\testangforme2\node_modules\angular-cli\models\config.js:7:16)
    at Module._compile (module.js:409:26)
    at Object.Module._extensions..js (module.js:416:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Module.require (module.js:353:17)
    at require (internal/module.js:12:17)
    at Object.<anonymous> (C:\xampp\htdocs\testangforme2\node_modules\angular-cli\addon\index.js:4:16)
    at Module._compile (module.js:409:26)
    at Object.Module._extensions..js (module.js:416:10)
    at Module.load (module.js:343:32)
    at Function.Module._load (module.js:300:12)
    at Module.require (module.js:353:17)
    at require (internal/module.js:12:17)
    at Function.Addon.lookup (C:\xampp\htdocs\testangforme2\node_modules\angular-cli\ember-cli\lib\models\addon.js:209:19)
    at Project.initializeAddons (C:\xampp\htdocs\testangforme2\node_modules\angular-cli\ember-cli\lib\models\project.js:300:29)
    at Project.eachAddonCommand (C:\xampp\htdocs\testangforme2\node_modules\angular-cli\ember-cli\lib\models\project.js:354:10)
    at module.exports (C:\xampp\htdocs\testangforme2\node_modules\angular-cli\ember-cli\lib\cli\lookup-command.js:33:13)
    at CLI.<anonymous> (C:\xampp\htdocs\testangforme2\node_modules\angular-cli\ember-cli\lib\cli\cli.js:42:26)
    at tryCatch (C:\xampp\htdocs\testangforme2\node_modules\rsvp\dist\rsvp.js:538:12)
    at invokeCallback (C:\xampp\htdocs\testangforme2\node_modules\rsvp\dist\rsvp.js:553:13)
    at publish (C:\xampp\htdocs\testangforme2\node_modules\rsvp\dist\rsvp.js:521:7)
    at flush (C:\xampp\htdocs\testangforme2\node_modules\rsvp\dist\rsvp.js:2373:5)
    at nextTickCallbackWith0Args (node.js:420:9)
    at process._tickCallback (node.js:349:13)

all i did is:
ng new project name
and after it is done, run ng serve. then i get this.

any idea?