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bojoe1999
Contributor
Contributor

Can't run virtual machines due to "Could Not open /dev/vmmon:" error

All,

I am running Fusion 5.0.5 on a MacBook Pro 13inch model, mid-2010 series on OS 10.11.4.  I have had very few problems with my virtual machines for several years, but now when I try to restore my VM I get the error: Could Not Open /dev/vmmon:

I use my VM very rarely for infrequently used programs.  I am not very tech programming savvy, but familiar with loading/removing programs etc.  In other threads with Fusion 8 in April 2016, it was recommended to uninstall VMware and reload.  This fixed that users problems.  I am not sure if that will fix my problem consider this software is much older?

Ideas?

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zhus
VMware Employee
VMware Employee

Could you restart your Mac and try it again?

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