How should I resolve this problem? Thank you. I then tried to downgrade VirtaulBox by installing older versions, but alway got the same error message when I tried to install Extension Pack for it. VBoxManage: error: Context: "RTEXITCODE handleExtPack(HandlerArg *)" at line 1211 of file VBoxManageMisc.cpp On a Linux host, this file is in the additions folder where you installed Oracle VM VirtualBox, usually /opt/VirtualBox/.
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The VirtualBox Extension Pack includes support for USB 3.0 and USB 2. The file is located in the Contents/MacOS folder. If you use VirtualBox to run virtual machines, you may find yourself needing VirtualBox Extension Pack as well. Right-click on the Oracle VM VirtualBox icon in Finder and choose Show Package Contents.
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VBoxManage: error: Details: code NS_ERROR_FAILURE (0x80004005), component ExtPackManagerWrap, interface IExtPackManager On Mac OS X hosts, this file is in the application bundle of Oracle VM VirtualBox. VBoxManage: error: /Applications/VirtualBox.app/Contents/MacOS/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack/darwin.amd64/VBoxPuelMain.dylib: code signature invalid for '/Applications/VirtualBox.app/Contents/MacOS/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack/darwin.amd64/VBoxPuelMain.dylib'
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VBoxManage: error: Failed to load the main module ('/Applications/VirtualBox.app/Contents/MacOS/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack/darwin.amd64/VBoxPuelMain.dylib'): VERR_FILE_NOT_FOUND - dlopen(/Applications/VirtualBox.app/Contents/MacOS/ExtensionPacks/Oracle_VM_VirtualBox_Extension_Pack/darwin.amd64/VBoxPuelMain.dylib, 6): no suitable image found.
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VBoxManage: error: Failed to install "/Users/xxx/Downloads/Oracle_VM_VirtualBox_Extension_Pack-6.1.8.vbox-extpack"