Yiquan, Take a look at: http://support.microsoft.com/support/kb/articles/Q230/2/05.ASP for a couple of solutions to this problem. Yiquan QI wrote: > Hi, everyone, > > After my pc's system was changed from windows 98 to windows me yesterday, my ferret refused to work. > The problem is that when I run ferret, the following appear: > > out of environment space >