I believe I have the FIX!!!
1) Upgrade to Parallels 9.0.23350.
2) Reinstall the software program in Windows that you are using.
3) Change network adapter properties:
Windows Control Panel> Network and Internet> Network and Sharing Center> Change adapter settings> Right click on Local Area connection> Properties> Configure> Power Management > Uncheck 'Allow the computer to turn off this device to save power"
4) Turn off all Apple Energy Saver boxes in Apple Preferences
5) Turn off Windows "Power saver" in Control Panel > Hardware and Sound > Power Options.
6) Turn off Windows Firewall settings.
GOOD LUCK!!
Last edited: Nov 17, 2013