https://answers.unrealengine.com/questions/67928/why-arent-any-of-my-projects-packaging.html
So this morning my packaging was working fine. then when i went to do another test all of a sudden i get a failed to launch unreal automation tool (UAT)! theres no error message just instant fail an thats it.so i read a few things on the forums an tried the following.
uninstalled an reinstalled visual studio uninstalled an reinstalled unreal engine 4
an im still getting the same thing. i been at this for about 7 hours now an i cant seem to get it to work im using the installer version of unreal engine 4
i really could use some help on this one cause im at a complete loss
Edit
i do get this line at the end of the start up of the editor
<Error><Code>AccessDenied</Code><Message>Access Denied</Message><RequestId>***</RequestId><HostId>***</HostId></Error>