Packaging not working

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>

bumping an hopping for some help =D

bumping again

Hello,

Thank you for your report. We were not able to investigate this on the engine version you reported, but there have been many version changes to UE4 since this question was first posted. With a new version of the Engine comes new fixes and it is possible that this issue has changed or may no longer occur. Due to timetable of when this issue was first posted, we are marking this post as resolved for tracking purposes. If you are still experiencing the issue you reported in the current engine version, then please respond to this message with additional information and we will investigate as soon as possible. If you are experiencing a similar, but different issue at this time, could you please submit a new report for it.

Thanks!