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Mouse flickers in Coherence mode after upgrade to OS X Mountain Lion


Mouse pointer flickers in Coherence view mode after the upgrade to OS X Mountain Lion. 


Download and install the latest OS X 10.8.1 update: click on Apple logo > Software update... and install the update

If the issue still persists:

Disable Crystal Mode in the Virtual Machine:

Virtual Machine menu > Configure... > Options > Coherence and uncheck Use Crystal Mode

One more workaround

Turn on SmartMouse in your Virtual Machine:

Virtual Machine menu > Configure... > Options > Advanced > SmartMouse: ON

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