We noticed that a recent Windows 8.1 Update (KB2995388) may cause issues when running VMware Workstation on a Windows 8.1 host with this update installed. User will see an error message “not enough physical memory” when booting up a virtual machine.

Our team is trying our best to fix this issue with an software update if needed, in the mean time this blog post will talk about the temporary workaround.

This Windows 8.1 Update KB2995388 is labeled as an optional update, if you haven’t installed this update and you are running VMware Workstation on your Windows 8.1 host, we suggest you do not install this update yet.

If you have installed this update and you need to run VMware Workstation, you can follow the steps below to uninstall this update as a temporary solution.

Go to Control Panel -> Programs -> Programs and Features, then select View installed updates at the top left corner.

Scroll down the list and locate Update for Microsoft Windows (KB2995388), select it and click on the Uninstall button, and follow the steps to finish the uninstallation, then you can boot virtual machine with no error message displayed.

We apologize for the inconvenience and currently are working on a fix to resolve the issue.