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The Alt is grabbed, indeed many other combinations work, it is just the Alt + scroll movement that is broken. Yea, if I activate the USB mouse everything is fine. I think it is something related to the mouse integration feature.

Sorry, I meant Ubuntu 18 host/Windows 7 guest (I edited the first post).
No, no extra drivers or exotic devices. Just standard libinput drivers that come with Ubuntu.

Hello everybody, I have an Ubuntu 18 host/Windows 7 guest system with Photoshop installed. Everything is working great, apart from one thing: the Alt + scroll combination for zooming in/out. Doesn't matter if I do it with the mouse wheel or using the touchpad scroll with two fingers, it just isn't d...

This is quite common. GA shared folders are good for getting files into and out of a VM. They are not good for full duplex I/O from a running guest app. If you want that then you should configure a true network share. Hi, thank you very much for your answer. Ok, yea I suspected that. Could you plea...

Hello everybody, I am a new user of VirtualBox :D . I have a Windows 7 guest OS on a Ubuntu 18 host that I mainly use for Adobe applications, with latest VirtualBox 6. I set up a shared folder using Guest Additions and everything works fine, I can access and modify the files with almost all the Wind...