VirtualBox

Ticket #3186 (new defect)

Opened 5 years ago

Last modified 5 years ago

Windows 7 (possibly other) task bar disappears while in Seamless mode

Reported by: veilrap Owned by:
Priority: major Component: GUI/seamless
Version: VirtualBox 2.1.2 Keywords:
Cc: Guest type: Linux
Host type: Windows

Description

While using VirtualBox with a Windows 7 host there is an issue which causes the host taskbar to vanish while the guest operating system has focus. The bug is 100% reproducible. The problem only occurs when on the host machine windows background slideshow is enabled and at least two backgrounds are in the rotation list. Disabling background slideshow on the host remedies the problem.

Problem has been tested using a guest OS of Ubuntu 8.10 on two different host machines. Problem may exist in other versions of window's host.

Change History

comment:1 Changed 5 years ago by qualidafial

I can confirm this same behavior running Ubuntu 9.04 host with Windows XP Media Center guest. Both the upper and lower menus bars disappear when the guest is in seamless mode, but only if there are no open windows. Opening any application or even hovering the mouse to display a tooltip (e.g. over the start button or any icon in the system tray) causes the menus to reappear.

comment:2 Changed 5 years ago by qualidafial

but only if there are no open windows.

I should have said, only if there are no open windows on the guest.

comment:3 Changed 5 years ago by vboxwebatsf

You can also get this problem if you have 2 monitors and full screen -> seamless mode on the secondary monitor that doesn't have the task bar. The whole VM will disappear.

Workaround: Click on the taskbar item that represents the VM and press Host+L to undo seamless mode.

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