Force Close trace:

Process: com.google.android.youtube
Flags: 0x18be45
Package: com.google.android.youtube v3702 (3.7.2)

java.lang.RuntimeException: Unable to start service com.google.android.youtube.core.async.UserAuthorizer$AccountsChangedService@41a388d8 with Intent { cmp=com.google.android.youtube/.core.async.UserAuthorizer$AccountsChangedService }: java.lang.NullPointerException
    at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2479)
    at android.app.ActivityThread.access$1900(ActivityThread.java:134)
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1296)
    at android.os.Handler.dispatchMessage(Handler.java:99)
    at android.os.Looper.loop(Looper.java:137)
    at android.app.ActivityThread.main(ActivityThread.java:4697)
    at java.lang.reflect.Method.invokeNative(Native Method)
    at java.lang.reflect.Method.invoke(Method.java:511)
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:790)
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:557)
    at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.NullPointerException
    at com.google.android.youtube.app.prefetch.PrefetchStore.removePrefetches(PrefetchStore.java:299)
    at com.google.android.youtube.app.YouTubeApplication.onSignOut(YouTubeApplication.java:504)
    at com.google.android.youtube.core.async.UserAuthorizer.signOut(UserAuthorizer.java:229)
    at com.google.android.youtube.core.async.UserAuthorizer.signOutIfAccountRemoved(UserAuthorizer.java:241)
    at com.google.android.youtube.core.async.UserAuthorizer$AccountsChangedService.onStartCommand(UserAuthorizer.java:488)
    at android.app.ActivityThread.handleServiceArgs(ActivityThread.java:2462)
    ... 10 more