#Virtualbox for mac os windows#
If there was no other option than reinstalling, is there anyway to backup the VMs? Digging into VirtualBox directory I haven't found anything sounding like a VM package/file containing each VM.įor me, the accepted answer was an unattractive workaround, since re-installing Virtual Box destroys authorization for the Windows Virtual Boxes that I spent a day downloading, installing and setting up for testing apps and websites on different versions of heinous IE. I haven't found any other good info about this that could solve the problem. Then, is there any way to fix this without reinstalling. I would like to avoid that suggestion, as I have many important VMs and I don't want to lose them. Sudo chmod 755 /Applications/VirtualBox.app/Contents/MacOS/componentsĪfter that, when trying to start the application I get a pop-up window saying:Įffective UID is not root (euid=501 egid=20 uid=501 gid=20) (rc=-20) So I found that in order to fix it, I should change the permissions as follows: sudo chmod 755 /Applications/VirtualBox.app/Contents/MacOS I did some research and found similar problems, most of them indicating problems with permissions.
MacOS": group and/or other writable (st_mode=040777)Ĭom.501 (.): Exited with code: 1 : VirtualBox: supR3HardenedVerifyDir: Cannot trust the directory "/Applications/VirtualBox.app/Contents/ I looked in the system log (/var/log/system.log) and I found these two messages repeated every time I tried starting VirtualBox. Suddenly and without notice, VirtualBox application doesn't start.įirst, it just didn't do anything.
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