id summary reporter owner description type status component version resolution keywords cc guest host 10771 VirtualBox Extension Pack installation failed exit code 128 E_FAIL (0x80004005) davipena "Problem happens in a fresh install VirtualBox 4.1.8-75467 on host Microsoft Windows Server 2003 Standard R2 with Service Pack 2 64-bit with No antivirus installed. Failed to install the Extension Pack The installer failed with exit code 128: . Result Code: E_FAIL (0x80004005) Component: ExtPackManager Interface: IExtPackManager {3295e6ce-b051-47b2-9514-2c588bfe7554} VirtualBox (XP)COM Server 4.1.18 r78361 win.amd64 (Jun 5 2012 15:58:59) release log 00:00:00.031 main Log opened 2012-07-18T17:03:02.358332400Z 00:00:00.031 main OS Product: Windows 2003 00:00:00.031 main OS Release: 5.2.3790 00:00:00.031 main Executable: C:\Program Files\Oracle\VirtualBox\VBoxSVC.exe 00:00:00.031 main Process ID: 2236 00:00:00.031 main Package type: WINDOWS_64BITS_GENERIC 00:00:01.063 VDInit finished 00:00:28.234 ExtPackInst ExtPack: Executing 'C:\Program Files\Oracle\VirtualBox/VBoxExtPackHelperApp.exe' '--display-info-hack' 'hwnd=0x210122''install' '--base-dir' 'C:\Program Files\Oracle\VirtualBox/ExtensionPacks' '--cert-dir' 'C:\Program Files\Oracle\VirtualBox/ExtPackCertificates' '--name' 'Oracle VM VirtualBox Extension Pack' '--tarball' 'D:/Software/Virtualbox/Oracle_VM_VirtualBox_Extension_Pack-4.1.18-78361.vbox-extpack' '--sha-256' '1c8cf8d67d9adf75fd02d529c03ee2f960ec4be08970fd8030ba7912ef1e3198' 00:00:28.234 ExtPackInst ExtPack: enmReason=1 iStatus=128 stderr='' 00:00:28.234 ExtPackInst ERROR [COM]: aRC=E_FAIL (0x80004005) aIID={3295e6ce-b051-47b2-9514-2c588bfe7554} aComponent={ExtPackManager} aText={The installer failed with exit code 128: }, preserve=false 00:00:45.656 Watcher ERROR [COM]: aRC=E_ACCESSDENIED (0x80070005) aIID={c28be65f-1a8f-43b4-81f1-eb60cb516e66} aComponent={VirtualBox} aText={The object is not ready}, preserve=false I made many test (all as user Administrator): 1. Uninstall program Oracle VM VirtualBox 2. Delete folder .VirtualBox in Documents and Settings/Administrator 3. Verify Oracle folder not exist anymore in Program Files 4. Install VirtualBox version X 5. Install the extension pack version X 6. Same messages error as above This made for X = All available version 4 (4.1.4-74291, 4.1.6-74713, 4.1.8-75467, 4.1.10-76836, 4.1.12-77245, 4.1.14-77440, 4.1.16-78094, 4.1.18-78361). No one works fine. Another problem I suppose related is that for every above Virtualbox version the command: ""vboxmanage extpack cleanup"" returns VBoxManage.exe: error: The installer failed with exit code 128: VBoxManage.exe: error: Details: code E_FAIL (0x80004005), component ExtPackManager, interface IExtPackManager, callee IUnknown Context: ""Cleanup()"" at line 1148 of file VBoxManageMisc.cpp " defect reopened other VirtualBox 4.1.18 ExtPack Win2003 64-bit other Windows