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The performance when running Ubuntu in VirtualBox is really bad for me without using Guest Additions. Guest additions also help with sharing clipboards. However, with Guest Additions, VirtualBox always crashes when I'm saving the state of the virtual machine.

Is there any way to improve performance and to enable shared clipboards, without using Guest Additions? Or better yet: anything I could do to make it stop crashing? I have enabled 3D acceleration and increased its memory as well as enabled bi-directional sharing but none of it makes any difference without Guest Additions.

I run VirtualBox 4.3.8 with Ubuntu 13 guest on a Windows 7 Ultimate 64 bit host.

Thanks in advance

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closed as off-topic by Takkat, guntbert, i08in, Avinash Raj, Alvar Mar 9 at 16:23

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "Bug reports and problems specific to development version of Ubuntu should be reported on Launchpad so that developers can see, track and fix these issues." – Takkat, guntbert, i08in, Avinash Raj, Alvar
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There is no shared clipboard without the guest additions, and there is no hardware graphics acceleration without. So, no, we should not run Ubuntu/Unity without guest addition. The crash is likely a bug from Virtual Box or Windows. We can't support bugs here therefore the question has to be closed. –  Takkat Mar 8 at 16:01
    
Alright, then I know, thanks for answering! –  Johe Mar 8 at 16:11