Can't resolve './app.module.ngfactory' is still present

Ionic Framework ionic-v3
1

lets say i read all issue related to this one #1309 & #1315 & #20292 & #13356 and more but i still have the problem

[10:56:42]  webpack started ...
[10:56:43]  copy finished in 13.32 s
Error: ./src/app/main.ts
Module not found: Error: Can't resolve './app.module.ngfactory' in 'C:\Users\developer-1\Downloads\app-sa (2)\src\app'
resolve './app.module.ngfactory' in 'C:\Users\developer-1\Downloads\app-sa (2)\src\app'
  using description file: C:\Users\developer-1\Downloads\app-sa (2)\package.json (relative path: ./src/app)
    Field 'browser' doesn't contain a valid alias configuration
  after using description file: C:\Users\developer-1\Downloads\app-sa (2)\package.json (relative path: ./src/app)
    using description file: C:\Users\developer-1\Downloads\app-sa (2)\package.json (relative path: ./src/app/app.module.ngfactory)
      no extension
        Field 'browser' doesn't contain a valid alias configuration
        C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory doesn't exist
      .ts
        Field 'browser' doesn't contain a valid alias configuration
        C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory.ts doesn't exist
      .js
        Field 'browser' doesn't contain a valid alias configuration
        C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory.js doesn't exist
      .json
        Field 'browser' doesn't contain a valid alias configuration
        C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory.json doesn't exist
      as directory
        C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory doesn't exist
[C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory]
[C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory.ts]
[C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory.js]
[C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory.json]
[C:\Users\developer-1\Downloads\app-sa (2)\src\app\app.module.ngfactory]
 @ ./src/app/main.ts 2:0-60
    at BuildError.Error (native)
    at new BuildError (C:\Users\developer-1\Downloads\app-sa (2)\node_modules\@ionic\app-scripts\dist\util\errors.js:16:28)
    at callback (C:\Users\developer-1\Downloads\app-sa (2)\node_modules\@ionic\app-scripts\dist\webpack.js:121:28)
    at emitRecords.err (C:\Users\developer-1\Downloads\app-sa (2)\node_modules\webpack\lib\Compiler.js:269:13)
    at Compiler.emitRecords (C:\Users\developer-1\Downloads\app-sa (2)\node_modules\webpack\lib\Compiler.js:375:38)
    at emitAssets.err (C:\Users\developer-1\Downloads\app-sa (2)\node_modules\webpack\lib\Compiler.js:262:10)
    at applyPluginsAsyncSeries1.err (C:\Users\developer-1\Downloads\app-sa (2)\node_modules\webpack\lib\Compiler.js:368:12)
    at next (C:\Users\developer-1\Downloads\app-sa (2)\node_modules\tapable\lib\Tapable.js:218:11)
    at Compiler.compiler.plugin (C:\Users\developer-1\Downloads\app-sa (2)\node_modules\webpack\lib\performance\SizeLimitsPlugin.js:99:4)
    at Compiler.applyPluginsAsyncSeries1 (C:\Users\developer-1\Downloads\app-sa (2)\node_modules\tapable\lib\Tapable.js:222:13)

ionic info


cli packages: (C:\Users\developer-1\AppData\Roaming\npm\node_modules)

    @ionic/cli-utils  : 1.19.0
    ionic (Ionic CLI) : 3.19.0

global packages:

    cordova (Cordova CLI) : 7.1.0

local packages:

    @ionic/app-scripts : 3.1.2
    Cordova Platforms  : android 6.3.0
    Ionic Framework    : ionic-angular 3.9.2

System:

    Node : v6.9.1
    npm  : 5.0.3
    OS   : Windows 7

Environment Variables:

    ANDROID_HOME : not set

Misc:

    backend : legacy