intrasubject averaging of scans

Hi, I've just setup the Oct 2001 version of freesurfer on my linux box. When I tried to average 3 scans of the same subject using interactive mode, it prompted: Convert(010722AZ) failed -- working on: orig/002/COR-%03d orig/001/COR-%03d orig/003/COR-%03d In the log viewer, it showed:

[no subject]

Hi, I got the following problems when using the latest version of freesurfer (fsa-20020521) downloaded from the surfer site: 1) Segmentation fault when trying to check the registration using tkregister: [phoebe@taz rnnmean]$ tkregister local tkregister: starting register register: cwd scan =