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 Error in starting virtual machine

acywong's profile image
acywong posted Sep 12, 2024 10:05 PM

I recently upgraded my VMWare Fusion to 13.6.0. Then I started to get the following error when I try to start up a virtual machine. The error message is as follows:

Disk '/Users/alexanderwong/Library/Application Support/VMware Fusion/Virtual Machines/Boot Camp/Boot Camp 5.vmwarevm/Boot Camp 5.vmdk' has virtual sector sizes (512 logical and 4096 physical) that are incompatible with the backend device.

One of the parameters supplied is invalid

Cannot open the disk '/Users/alexanderwong/Library/Application Support/VMware Fusion/Virtual Machines/Boot Camp/Boot Camp 5.vmwarevm/Boot Camp 5.vmdk' or one of the snapshot disks it depends on.

Module 'Disk' power on failed.

Failed to start the virtual machine

I have never had any problem running VMWare Fusion. This is first time I have encountered such a problem. Can anyone help me? Thanks.

Jeff Wasilko's profile image
Jeff Wasilko

This problem has been reported in these forums--I ran into it as well. Roll back to 13.5.6 and you'll be OK.

Technogeezer's profile image
External Moderator Technogeezer

13.6 appears to have broken BootCamp VM definitions - the underlying BootCamp installation can still be booted natively, though, so it hasn't corrupted the Boot Camp installation.

Until VMware fixes this, the workaround  that other users have offered is to uninstall Fusion 13.6 and re-install Fusion 13.5.2. You may need to re-configure your BootCamp VM in Fusion.