Turn off Windows Hibernation.

Windows hibernation background services can use a large amount of system resources. If you don’t use the Hibernate feature on a regular basis you may want to disable it to give Vista a performance boost.

To disable Hibernation:

• Select the Control Panel then Power Options
• Click Change Plan Settings
• Click on Change Advanced Power Settings
• Expand the Sleep selection
• Expand the Hibernate After selection
• Crank the selector down to zero
• Click Apply