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Unable to add window -- token android.os.BinderProxy@5aa47b4 is not valid; is your activity running?
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Unable to add window -- token null is not for an application
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Unable to add window -- token null is not for an application
android.view.WindowManager$BadTokenException: Unable to add window -- token android.os.BinderProxy@5aa47b4 is not valid; is your activity running? at android.view.ViewRootImpl.setView(ViewRootImpl.java:849) at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:337) at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:91) at android.app.Dialog.show(Dialog.java:350) at android.app.AlertDialog$Builder.show(AlertDialog.java:1113) at applications.loginandregister.BackgroundTask.display(BackgroundTask.java:206) at applications.loginandregister.BackgroundTask.onPostExecute(BackgroundTask.java:192) at applications.loginandregister.BackgroundTask.onPostExecute(BackgroundTask.java:32) at android.os.AsyncTask.finish(AsyncTask.java:651) at android.os.AsyncTask.access$500(AsyncTask.java:180) at android.os.AsyncTask$InternalHandler.handleMessage(AsyncTask.java:668) at android.os.Handler.dispatchMessage(Handler.java:102) at android.os.Looper.loop(Looper.java:158) at android.app.ActivityThread.main(ActivityThread.java:7224) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1230) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1120)