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Can't Launch/Package/Cook my game

Hello everyone I can't launch my game from the editor of Unreal Engine version 4.20 when I press the launch button... The launcher compile assets and deploying to the desktop but no game is launched and it say "Launch completed" I don't understand why can you help me please i have to work hurry. Thanks for your answer.

LogCook: Display: Cook by the book total time in tick 0.000367s total time 7.479503 LogCook: Display: Peak Used virtual 7254 Peak Used phsical 6080 LogCook: Display: Hierarchy Timer Information: LogCook: Display: Root: 0.000000ms LogCook: Display: StartCookByTheBookTime: 4541.490894ms LogCook: Display: CleanSandboxTime: 2785.841035ms LogCook: Display: CollectFilesToCook: 192.243285ms LogCook: Display: CookModificationDelegate: 0.006566ms LogCook: Display: SearchForPackageOnDisk: 0.002189ms LogCook: Display: GetObjectsWithOuter: 0.047043ms LogCook: Display: GeneratePackageNames: 0.219898ms LogCook: Display: UnsolicitedPackageAlreadyCooked: 0.192912ms LogCook: Display: PackageCast: 0.047991ms LogCook: Display: FullGCAssetsContains: 0.016274ms LogCook: Display: AddUnassignedPackageToManifest: 0.000000ms LogCook: Display: GetCachedName: 0.059323ms LogCook: Display: AddToPackageList: 0.000000ms LogCook: Display: GenerateLongPackageName: 0.075487ms LogCook: Display: SavingCurrentIniSettings: 66.866213ms LogCook: Display: ProcessingAccessedStrings: 21.005459ms LogCook: Display: SavingAssetRegistry: 2825.555978ms LogCook: Display: BuildChunkManifest: 542.641805ms LogCook: Display: SaveManifests: 3.760153ms LogCook: Display: SaveRealAssetRegistry: 2029.160265ms LogCook: Display: WriteCookerOpenOrder: 248.816654ms LogCook: Display: IntStats: LogCook: Display: LoadPackage=20 LogCook: Display: SavedPackage=603 LogPlayLevel: Completed Launch On Stage: Cooking in the editor, Time: 2.014864 LogPlayLevel: Completed Launch On Stage: Build Task, Time: 0.272230 LogPlayLevel: Completed Launch On Stage: Deploy Task, Time: 0.000043 LogPlayLevel: Completed Launch On Stage: Run Task, Time: 0.000056 LogPlayLevel: Completed Launch On Stage: Post Launch Task, Time: 0.000007 LogPlayLevel: Launch On Completed. Time: 5.282737

Product Version: UE 4.20
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asked Sep 10 '18 at 03:53 PM in Using UE4

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