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I have installed Ubuntu Desktop x64 12.01.1 as guest in VirtualBox.

When I installed VirtualBox Guest Additions, Unity desktop (top bar and left program icons bar) becomes invisible. The problem was found in VirtualBox 4.1.20 and still exist in 4.1.22.

Reinstalling doesn't help. Maybe someone knows how to overcome this issue?

Host Os: Windows 7 x64
Host video driver: Intel Video Driver 8.15.10.24.13(latest)
Video: embedded into Intel Q45

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Welcome to Ask Ubuntu! This question should instead be filed as a bug report, and as such is off-topic, thanks! Instructions on filing a bug report are here. – Marco Ceppi♦ Sep 19 '12 at 15:27

closed as off topic by Marco Ceppi♦ Sep 19 '12 at 15:27

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