If your computer prevents you from upgrading or uninstalling VMware Fusion, you might have to use the Mac Activity Monitor to correct the problem.

In rare circumstances, the operating system in a virtual machine can quit unexpectedly in a way that leaves some virtual machine processes running. This situation can prevent you from upgrading or uninstalling VMware Fusion. In this case, the installation or uninstallation Assistant might display a message that indicates that you cannot install or uninstall VMware Fusion. To work around this problem, you can use the Mac Activity Monitor to force virtual machine processes to quit.

1

In the Finder, select Applications > Utilities and double-click Activity Monitor to open the Activity Monitor.

2

Select All Processes.

3

In the Process Name column, select VMware Fusion.

4

Select View > Quit Process.

5

In the Quit Process window, select Force Quit.