Hello, Since Vienna Symphonic Library needs enormous RAM for large projects, I have to switch to Win7 64 bit. But sometimes 32bit xp has more advantage, so my question is: Do any of you run dual system? And how to switch between them? Regards Haipeng PLEASE READ THIS FOOTER AT LEAST ONCE! To leave the list, click on the immediately following link: ddots-l-request@xxxxxxxxxxxxx?subject=unsubscribe If this link doesn't work then send a message to: ddots-l-request@xxxxxxxxxxxxx and in the Subject line type unsubscribe For other list commands such as vacation mode, click on the immediately following link: ddots-l-request@xxxxxxxxxxxxx?subject=faq or send a message, to ddots-l-request@xxxxxxxxxxxxx and in the Subject line type faq