Available article translations:

Windows virtual machine is slow and unresponsive

  • Parallels Desktop 7 for Mac Standard Edition


Windows virtual machine has being running slow and applications has being unresponsive.


This behaviour may happen due to your Windows virtual machine encountered a critical error.


In order to resolve the issue please follow the steps below:

  • Please check for Windows Critical Error that will show up on the lower task bar.

  • Please apply the solution proposed in tee Error message: e.g. if the Windows Critical Error states that you need to update drivers please do update them.
  • Clean the startup items and Temp Folder. Go to Start menu > Run > msconfig > Startup and disable all. Go to Start menu > Run > %TEMP% > remove all the folder contents.
In case the above steps did not help, please clean the Applications configuration fles.
  • Go to Windows Start menu > Run > %APPDATA% > and delete the folder of the hanging application. 
NOTE: Please note that application's settings and chance would be removed in this case and you will need to configure it again.

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