Windows 7/8/2008/2012 causing high CPU loads on KVM

If Windows 7/8/2008/2012 causing high CPU loads on KVM it could be a Clock Timing Error which causing this.

To use the KVM Platform Clock you can enable it within your Windows by using BCDEdit in your Admin CMD Shell:

bcdedit /set {default} useplatformclock true

Also be sure to disable automatic Time Syncing with Microsoft Server.

On KVM append localtime to KVM command like:

kvm -localtime

If you are using Libvirt/Virsh enable Your Clock offset to localtime like this:

clock offset='localtime'

Have fun!