Dear freesurfer users,<br><br> I have recently downloaded freesurfer (virtualbox verion) and started testing using the sample data bert.&nbsp; I got the following error (I also tried on my data and the same error occured).&nbsp; Any suggestions?<br> <blockquote cite="mid:7430867d62b6.4b2a6b6b@ic.sunysb.edu" type="cite"><br> ********FINAL ITERATIVE TEMPLATE DEFORMATION********<br> Compute Local values csf/gray<br> Fine Segmentation...46 iterations<br> mghRead: encountered error executing: 'zcat /usr/local/freesurfer/subjects/bert/mri/T1.mgz',frame -1, errno 12<br>   <br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp; mri_strip_skull: done peeling brain<br>   <br> Brain Size = 1793357 voxels, voxel volume = 1.000 mm3<br> &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = 1793357 mmm3 = 1793.357 cm3<br>   <br> mri_watershed Error: read failed<br>   <br> Linux freesurfer-virtual 2.6.28-17-generic #58-Ubuntu SMP Tue Dec 1 18:57:07 UTC 2009 i686 GNU/Linux<br>   <br> recon-all exited with ERRORS at Thu Dec 17 17:20:18 EST 2009</blockquote> Thank you.<br> <br> Hui Jing Yu  <br>