Hello, Sorry for late reply. In the Message; Subject : Re: VirtualBox Quits Message-ID : <537d0ac9-d5bf-0c73-ab30-2d926cb7d4ce@gmail.com> Date & Time: Mon, 26 Dec 2022 15:42:42 +1300 [RK] == Robin Klitscher <robin.klitscher@gmail.com> has written: RK> On 26/12/2022 15:12, Masaru Nomiya wrote: MN> > Hello, MN> > MN> <snipped> MN> > MN> > BTW, what's this? MN> > MN> > MN> 00:00:00.375578 Executable: /usr/lib/virtualbox/VirtualBox6 MN> > MN> > You're trying to use the version 6.x's VirtualBox binary? MN> > MN> > In may case; MN> > MN> > 00:00:06.259444 Executable: /usr/lib/virtualbox/VirtualBox MN> > RK> I wondered about that too, and re-installed (update unconditional) the three RK> virtualbox packages in Yast, but to no effect. RK> In my system /usr/lib/virtualbox/VirtualBox is a symlink pointing to the RK> executable VirtualBoxVM. /usr/lib/virtualbox/VirtualBox6 is a RK> raw executable. RK> Both of them appear to have come from the package virtualbox-qt ver RK> 7.0.4-lp154.2.20.2 Sorry, I confirmed it. Another question. In your log; [...] 00:00:00.375594 Qt version: 5.15.7 00:00:00.375902 GUI: UIMediumEnumerator: Initial medium-enumeration finished! 00:00:00.404356 GUI: UIMediumEnumerator: Medium-enumeration started... but, in my log; 00:00:00.295652 Qt version: 5.15.7 00:00:00.296416 GUI: UIMediumEnumerator: Initial medium-enumeration finished! 00:00:00.314027 GUI: UIMediumEnumerator: Medium-enumeration started... 00:00:00.787007 GUI: UIDesktopWidgetWatchdog::sltHandleHostScreenAvailableGeometryCalculated: Screen 0 work area is actually resized to: 0x0 x 1920x1037 00:00:00.874360 GUI: UIMediumEnumerator: Medium-enumeration finished! 00:00:08.151981 GUI: UIMediumEnumerator: Medium-enumeration finished! 00:00:11.047878 GUI: UIMediumEnumerator: Medium-enumeration finished! 00:00:19.146880 GUI: UIMediumEnumerator: Medium-enumeration finished! 00:02:07.130392 GUI: UICommon: Handling aboutToQuit request.. 00:02:08.135623 GUI: UICommon: aboutToQuit request handled! That is, in your system, VirtualBox failed to execute; UIDesktopWidgetWatchdog::sltHandleHostScreenAvailableGeometryCalculated: Screen 0 work area is actually resized to: 0x0 x 1920x1037 Your problem seems to originate from your system. How about this? $ ldd /usr/lib/virtualbox/* | grep "not found" Moreover, tt may be a kernel-derived problem. In the Message; Subject : VirtualBox Quits Message-ID : <53b45d31-d22a-f1c0-2201-d7e3da9f26d5@gmail.com> Date & Time: Sun, 25 Dec 2022 20:34:36 +1300 [RK] == Robin Klitscher <robin.klitscher@gmail.com> has written: RK> openSUSE Leap 15.4 RK> KDE Plasma Version: 5.26.4 RK> KDE Frameworks Version: 5.101.0 RK> Qt Version: 5.15.7 RK> Kernel Version: 5.14.21-150400.24.38-default (64-bit) RK> VirtualBox 7.0.4. Does anyone else have VirtualBox 7.0.4 in the same environment as Robin without problems? Regards. --- ┏━━┓彡 野宮 賢 mail-to: nomiya @ galaxy.dti.ne.jp ┃＼／彡 ┗━━┛ "The question of who holds the platform and whether the person or organisation holding it is trustworthy has serious and profound implications in these volatile times. Once trust is broken, it is extremely difficult to restore. It is necessary to diversify in advance." -- Financial Times --