title: when I run ionic app on windows it shows Error: Cannot find module "@angular/compiler"
body: <pre><code>[app-scripts] (node:2056) UnhandledPromiseRejectionWarning: Error: A watch configured to watch the following paths failed to start. It likely that a file referenced does not exist: F:\ionic\myfolder\src\assets\**\*, F:\ionic\myfolder\src\index.html, F:\ionic\myfolder\src\manifest.json, F:\ionic\myfolder\src\service-worker.js, F:\ionic\myfolder\node_modules\ionicons\dist\fonts\**\*, F:\ionic\myfolder\node_modules\ionic-angular\fonts\**\*, F:\ionic\myfolder\node_modules\ionic-angular\polyfills\polyfills.js, F:\ionic\myfolder\node_modules\sw-toolbox\sw-toolbox.js
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