appcenter's updating process stop when new app install initiated

[Albert SSHR]

while updating process is ongoing, searching and installing new apps still available, so i click on the install button to expect that the process will be queued and executed after update, but the new apps is installed immediately and the update process seems stopped.

ProblemType: Bug
DistroRelease: elementary 0.4
Package: elementary-desktop 1.413+468~daily~ubuntu0.4.1 [origin: LP-PPA-elementary-os-daily]
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
CrashDB: elementary_meta
CurrentDesktop: Pantheon
Date: Fri Jul 29 08:16:26 2016
InstallationDate: Installed on 2016-07-19 (9 days ago)
InstallationMedia: elementary OS 0.4 "Loki" - Daily amd64 (20160716)
SourcePackage: elementary-meta
SuspiciousXErrors:

ThirdParty: True
UpgradeStatus: No upgrade log present (probably fresh install)