Under OS 10, you do not allocate memory to an application at all. This is just done under OS 9 or earlier. How much RAM do you have? If you are only opening Illustrator 10, 256 MB is more than enough. Frank Fitzpatrick Thien wrote > Subject: [MacDV] Couldn't open Illustrator 10 under OS X 10.2.2 > > Hi, > My Mac is : G4/800/1280MB RAM/OSX10.2.2 . > While opening Illustrator 10, I get an error message "Not enough memory > to open the illustration" (?).(Notes : All other applications quitted and > Mac rebooted) > Back to OS 9.2.2 ,opening Illustrator 10 is OK and fast > > What's wrong . I know how to allocate memory to an application under OS 9 > , but under OS X I don't know. > > Please help > > Thank in advance > Thien