(venv) F:\beeware-virtual-development\first-project\helloworld>briefcase build android
[helloworld] Updating app metadata...
Setting main module... done
[helloworld] Building Android APK...
Downloading the Android emulator...
Warning: An error occurred while preparing SDK package Android Emulator: Connection reset.
Exception in thread "Thread-1" java.lang.RuntimeException: Unable to delete directory 'C:\Users\ale\AppData\Local\BeeWare\briefcase\Cache\tools\android_sdk\.temp\PackageOperation01' after 10 attempts
at com.android.utils.PathUtils.deleteRecursivelyIfExists(PathUtils.java:129)
at com.android.utils.PathUtils.lambda$addRemovePathHook$0(PathUtils.java:202)
at java.lang.Thread.run(Thread.java:748)
Caused by: java.nio.file.DirectoryNotEmptyException: C:\Users\ale\AppData\Local\BeeWare\briefcase\Cache\tools\android_sdk\.temp\PackageOperation01
at sun.nio.fs.WindowsFileSystemProvider.implDelete(WindowsFileSystemProvider.java:266)
at sun.nio.fs.AbstractFileSystemProvider.deleteIfExists(AbstractFileSystemProvider.java:108)
at java.nio.file.Files.deleteIfExists(Files.java:1165)
at com.android.utils.PathUtils.deleteRecursivelyIfExists(PathUtils.java:88)
... 2 more
Building...
Error while installing Android emulator.
Log saved to F:\beeware-virtual-development\first-project\helloworld\logs\briefcase.2023_02_09-19_09_39.build.log
hello guys i found answer of my question just you should check virtulisation enable on your bios from your system and for check it you can see this future in your taskmanager cpu if is disable you should enable in from bios and if is enable it should work
should be like this photo
see you later guys have nice time by by...