Hi Andrew,
What version of VMware Workstation is it that you want to uninstall?
Nowadays the best way to uninstall is to actually run the installer and then click "Remove", but you might have tried that already?
how-to uninstall VMware Workstation
You might also be able to use the appwiz.cpl approach as laid out here:
https://communities.vmware.com/t5/VMware-Workstation-Pro/can-t-uninstall-workstation-12-windows-10/t...
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Wil