Is there anyway of not doing this and using the old one till i have time to d/l?
Don't think so, it's probably asking to be updated due to security risks (a lot of new viri about in the last 2 weeks)
You could use a program called Trillian instead, it lets you use MSN, ICQ, Yahoo, Aim and mIRC all in 1, tis handy and you don't have any mither with Microsoft and the likes getting you to upgrade it often.