升级我的 Arch Linux 系统（Linux 4.20）并重新启动后，无法启动 VBox（现在是 Vbox 6.0）错误消息是：NS_ERROR_FACTORY_NOT_REGISTERED。
Vbox 内核模块已加载（见下文）。
一切似乎都很好，我不知道在哪里查找错误的配置/安装。如果我执行 VBoxManage list -l，我会收到以下相同的错误消息。/tmp 文件夹对于 root 和 vboxuser 是可写的
有任何想法吗？
vboxwebsrv -p 5678 -A null -H server.de
Oracle VM VirtualBox web service Version 6.0.0
(C) 2007-2018 Oracle Corporation
All rights reserved.
00:00:00.000097 main VirtualBox web service 6.0.0 r127442 linux.amd64 (Dec 26 2018 21:56:59) release log
00:00:00.000100 main Log opened 2019-01-02T20:17:34.687638000Z
00:00:00.000101 main Build Type: release
00:00:00.000103 main OS Product: Linux
00:00:00.000104 main OS Release: 4.20.0-arch1-1-ARCH
00:00:00.000105 main OS Version: #1 SMP PREEMPT Mon Dec 24 03:00:40 UTC 2018
00:00:00.000131 main DMI Product Name:
00:00:00.000141 main DMI Product Version:
00:00:00.000185 main Host RAM: 15925MB (15.5GB) total, 10819MB (10.5GB) available
00:00:00.000189 main Executable: /usr/lib/virtualbox/vboxwebsrv
00:00:00.000189 main Process ID: 13728
00:00:00.000190 main Package type: LINUX_64BITS_GENERIC (OSE)
00:00:00.021361 main IPC socket path: /tmp/.vbox-root-ipc/ipcd
vboxwebsrv: error: failed to create the VirtualBoxClient object!
vboxwebsrv: error: Code NS_ERROR_FACTORY_NOT_REGISTERED (0x80040154) - Class not registered (extended info not available)
vboxwebsrv: error: Most likely, the VirtualBox COM server is not running or failed to start.
# lsmod | grep vbox
vboxnetflt 32768 0
vboxnetadp 28672 0
vboxpci 28672 0
vboxdrv 499712 3 vboxpci,vboxnetadp,vboxnetflt