2019-10-23 12:05:38-07 trashcanbridge installd[585]: PackageKit: Adding client PKInstallDaemonClient pid=660, uid=501 (/System/Library/CoreServices/Installer.app/Contents/MacOS/Installer) 2019-10-23 12:05:38-07 trashcanbridge Installer[660]: PackageKit: Enqueuing install with framework-specified quality of service (utility) 2019-10-23 12:05:39-07 trashcanbridge installd[585]: PackageKit: ----- Begin install ----- 2019-10-23 12:05:39-07 trashcanbridge installd[585]: PackageKit: request=PKInstallRequest <2 packages, destination=/> 2019-10-23 12:05:39-07 trashcanbridge installd[585]: PackageKit: packages=( "", "" ) 2019-10-23 12:05:39-07 trashcanbridge installd[585]: PackageKit: Set reponsibility for install to 660 2019-10-23 12:05:39-07 trashcanbridge installd[585]: PackageKit: Extracting file:///Volumes/VBox_GAs_6.1.0/VBoxDarwinAdditions.pkg#VBoxGuestAdditionsToolsAndServices.pkg (destination=/Library/InstallerSandboxes/.PKInstallSandboxManager/0DDD03F5-634D-466D-B452-3A0C4C056FDB.activeSandbox/Root/Library, uid=0) 2019-10-23 12:05:39-07 trashcanbridge installd[585]: PackageKit: Extracting file:///Volumes/VBox_GAs_6.1.0/VBoxDarwinAdditions.pkg#VBoxGuestAdditionsKEXTs.pkg (destination=/Library/InstallerSandboxes/.PKInstallSandboxManager/0DDD03F5-634D-466D-B452-3A0C4C056FDB.activeSandbox/Root/Library/Extensions, uid=0) 2019-10-23 12:05:40-07 trashcanbridge installd[585]: PackageKit: prevent user idle system sleep 2019-10-23 12:05:40-07 trashcanbridge installd[585]: PackageKit: suspending backupd 2019-10-23 12:05:40-07 trashcanbridge installd[585]: PackageKit: Using trashcan path /var/folders/zz/zyxvpxvq6csfxvn_n0000000000000/T/PKInstallSandboxTrash/0DDD03F5-634D-466D-B452-3A0C4C056FDB.sandboxTrash for sandbox /Library/InstallerSandboxes/.PKInstallSandboxManager/0DDD03F5-634D-466D-B452-3A0C4C056FDB.activeSandbox 2019-10-23 12:05:40-07 trashcanbridge install_monitor[689]: Temporarily excluding: /Applications, /Library, /System, /bin, /private, /sbin, /usr 2019-10-23 12:05:40-07 trashcanbridge installd[585]: PackageKit: Shoving /Library/InstallerSandboxes/.PKInstallSandboxManager/0DDD03F5-634D-466D-B452-3A0C4C056FDB.activeSandbox/Root (1 items) to / 2019-10-23 12:05:40-07 trashcanbridge installd[585]: PackageKit: Executing script "./postflight" in /private/tmp/PKInstallSandbox.JG8RNB/Scripts/org.virtualbox.pkg.additions.kexts.1zgQl1 2019-10-23 12:05:40-07 trashcanbridge installd[585]: ./postflight: Unloading previously installed service: org.virtualbox.additions.vboxservice 2019-10-23 12:05:40-07 trashcanbridge installd[585]: ./postflight: /Library/LaunchDaemons/org.virtualbox.additions.vboxservice.plist: Operation now in progress 2019-10-23 12:05:41-07 trashcanbridge installd[585]: ./postflight: Unloading previously installed service: org.virtualbox.additions.vboxclient 2019-10-23 12:05:41-07 trashcanbridge installd[585]: ./postflight: Updating kernel cache (should trigger loading of new modules). 2019-10-23 12:05:41-07 trashcanbridge installd[585]: ./postflight: touch: /System/Library/Extensions/: Read-only file system 2019-10-23 12:05:41-07 trashcanbridge install_monitor[689]: Re-included: /Applications, /Library, /System, /bin, /private, /sbin, /usr 2019-10-23 12:05:42-07 trashcanbridge installd[585]: PackageKit: releasing backupd 2019-10-23 12:05:42-07 trashcanbridge installd[585]: PackageKit: allow user idle system sleep 2019-10-23 12:05:42-07 trashcanbridge installd[585]: PackageKit: Cleared responsibility for install from 660. 2019-10-23 12:05:42-07 trashcanbridge installd[585]: PackageKit: Cleared permissions on Installer.app 2019-10-23 12:05:42-07 trashcanbridge installd[585]: PackageKit: Install Failed: Error Domain=PKInstallErrorDomain Code=112 "An error occurred while running scripts from the package “VBoxDarwinAdditions.pkg”." UserInfo={NSFilePath=./postflight, NSURL=file:///Volumes/VBox_GAs_6.1.0/VBoxDarwinAdditions.pkg#VBoxGuestAdditionsKEXTs.pkg, PKInstallPackageIdentifier=org.virtualbox.pkg.additions.kexts, NSLocalizedDescription=An error occurred while running scripts from the package “VBoxDarwinAdditions.pkg”.} { NSFilePath = "./postflight"; NSLocalizedDescription = "An error occurred while running scripts from the package \U201cVBoxDarwinAdditions.pkg\U201d."; NSURL = "file:///Volumes/VBox_GAs_6.1.0/VBoxDarwinAdditions.pkg#VBoxGuestAdditionsKEXTs.pkg"; PKInstallPackageIdentifier = "org.virtualbox.pkg.additions.kexts"; } 2019-10-23 12:05:42-07 trashcanbridge installd[585]: PackageKit: Running idle tasks 2019-10-23 12:05:42-07 trashcanbridge Installer[660]: install:didFailWithError:Error Domain=PKInstallErrorDomain Code=112 "An error occurred while running scripts from the package “VBoxDarwinAdditions.pkg”." UserInfo={NSFilePath=./postflight, NSURL=file:///Volumes/VBox_GAs_6.1.0/VBoxDarwinAdditions.pkg#VBoxGuestAdditionsKEXTs.pkg, PKInstallPackageIdentifier=org.virtualbox.pkg.additions.kexts, NSLocalizedDescription=An error occurred while running scripts from the package “VBoxDarwinAdditions.pkg”.} 2019-10-23 12:05:42-07 trashcanbridge installd[585]: PackageKit: Removing client PKInstallDaemonClient pid=660, uid=501 (/System/Library/CoreServices/Installer.app/Contents/MacOS/Installer) 2019-10-23 12:05:42-07 trashcanbridge installd[585]: PackageKit: Done with sandbox removals 2019-10-23 12:05:42-07 trashcanbridge Installer[660]: Install failed: The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance. 2019-10-23 12:05:42-07 trashcanbridge Installer[660]: IFDInstallController 3F827E0 state = 8 2019-10-23 12:05:42-07 trashcanbridge Installer[660]: Displaying 'Install Failed' UI. 2019-10-23 12:05:42-07 trashcanbridge Installer[660]: 'Install Failed' UI displayed message:'The Installer encountered an error that caused the installation to fail. Contact the software manufacturer for assistance.'.