Dear Min, If your results are generated OK then you can ignore this message, as it is only related to a progress checking feature and does not affect the calculations. All the best, Mark On 10 Jun 2014, at 23:15, KimMJ <[log in to unmask]<mailto:[log in to unmask]>> wrote: Dear FSL lists When I performed BedpostX on my DTI data, I came across the following error message: Errors: /usr/local/fsl/bin/bedpostx: line 290: kill:(14229) - No such process However, when I click 'OK' button in the error message window, all files in the BedpostX directory seem to be normally produced. Is this an serious error or can I ignore this error message? Thank you. Min J