I'm getting TimeoutException after upgrading to angular 9. I'm using visual studio, ASP .NET core with angular. Even if i create new project and update angular to 9 version, It stops working Complete list of page response :

TimeoutException: The Angular CLI process did not start listening for requests within the timeout period of 0 seconds. Check the log output for error information.
Microsoft.AspNetCore.SpaServices.Extensions.Util.TaskTimeoutExtensions.WithTimeout<T>(Task<T> task, TimeSpan timeoutDelay, string message)
Microsoft.AspNetCore.SpaServices.Extensions.Proxy.SpaProxy.PerformProxyRequest(HttpContext context, HttpClient httpClient, Task<Uri> baseUriTask, CancellationToken applicationStoppingToken, bool proxy404s)
Microsoft.AspNetCore.Builder.SpaProxyingExtensions+<>c__DisplayClass2_0+<<UseProxyToSpaDevelopmentServer>b__0>d.MoveNext()
Microsoft.AspNetCore.Diagnostics.DeveloperExceptionPageMiddleware.Invoke(HttpContext context)

My package.json file is :

{
  "name": "webapplication10",
  "version": "0.0.0",
  "scripts": {
    "ng": "ng",
    "start": "ng serve",
    "build": "ng build",
    "build:ssr": "ng run WebApplication10:server:dev",
    "test": "ng test",
    "lint": "ng lint",
    "e2e": "ng e2e"
  },
  "private": true,
  "dependencies": {
    "@angular/animations": "9.0.0",
    "@angular/cdk": "~9.0.0",
    "@angular/common": "9.0.0",
    "@angular/compiler": "9.0.0",
    "@angular/core": "9.0.0",
    "@angular/forms": "9.0.0",
    "@angular/material": "~9.0.0",
    "@angular/platform-browser": "9.0.0",
    "@angular/platform-browser-dynamic": "9.0.0",
    "@angular/platform-server": "9.0.0",
    "@angular/router": "9.0.0",
    "@nguniversal/module-map-ngfactory-loader": "8.1.1",
    "aspnet-prerendering": "^3.0.1",
    "bootstrap": "^4.4.1",
    "core-js": "^3.6.4",
    "jquery": "3.4.1",
    "oidc-client": "^1.10.1",
    "popper.js": "^1.16.1",
    "rxjs": "^6.5.4",
    "tslib": "^1.10.0",
    "zone.js": "~0.10.2"
  },
  "devDependencies": {
    "@angular-devkit/build-angular": "^0.900.1",
    "@angular/cli": "9.0.1",
    "@angular/compiler-cli": "9.0.0",
    "@angular/language-service": "9.0.0",
    "@types/jasmine": "^3.5.3",
    "@types/jasminewd2": "~2.0.8",
    "@types/node": "^12.12.27",
    "codelyzer": "^5.2.1",
    "jasmine-core": "~3.5.0",
    "jasmine-spec-reporter": "~4.2.1",
    "karma": "^4.4.1",
    "karma-chrome-launcher": "~3.1.0",
    "karma-coverage-istanbul-reporter": "^2.1.1",
    "karma-jasmine": "~3.1.1",
    "karma-jasmine-html-reporter": "^1.5.2",
    "typescript": "3.7.5"
  },
  "optionalDependencies": {
    "node-sass": "^4.12.0",
    "protractor": "~5.4.2",
    "ts-node": "~8.4.1",
    "tslint": "~5.20.0"
  }
}