Wed Nov 23 16:02:06 2011 | malariacontrol.net | Task wu_1200_503_94978_0_1321999285_0 exited with zero status but no 'finished' file
Wed Nov 23 16:02:06 2011 | malariacontrol.net | If this happens repeatedly you may need to reset the project.
Wed Nov 23 16:02:06 2011 | malariacontrol.net | Restarting task wu_1200_503_94978_0_1321999285_0 using openMalariaB version 657
Wed Nov 23 16:02:26 2011 | malariacontrol.net | Task wu_1174_527_94968_0_1321998012_1 exited with zero status but no 'finished' file
Wed Nov 23 16:02:26 2011 | malariacontrol.net | If this happens repeatedly you may need to reset the project.
Wed Nov 23 16:02:26 2011 | malariacontrol.net | Restarting task wu_1174_527_94968_0_1321998012_1 using openMalariaB version 657
Wed Nov 23 16:02:27 2011 | malariacontrol.net | Task wu_1180_509_94967_0_1321997905_1 exited with zero status but no 'finished' file
Wed Nov 23 16:02:27 2011 | malariacontrol.net | If this happens repeatedly you may need to reset the project.
Wed Nov 23 16:02:27 2011 | malariacontrol.net | Restarting task wu_1180_509_94967_0_1321997905_1 using openMalariaB version 657
Wed Nov 23 16:02:28 2011 | malariacontrol.net | Task wu_1167_426_94980_0_1321999308_0 exited with zero status but no 'finished' file
Wed Nov 23 16:02:28 2011 | malariacontrol.net | If this happens repeatedly you may need to reset the project.
Wed Nov 23 16:02:28 2011 | malariacontrol.net | Restarting task wu_1167_426_94980_0_1321999308_0 using openMalariaB version 657
Wed Nov 23 16:02:29 2011 | malariacontrol.net | Task wu_1169_522_94979_0_1321999297_0 exited with zero status but no 'finished' file
Wed Nov 23 16:02:29 2011 | malariacontrol.net | If this happens repeatedly you may need to reset the project.
Wed Nov 23 16:02:29 2011 | malariacontrol.net | Restarting task wu_1169_522_94979_0_1321999297_0 using openMalariaB version 657
Wed Nov 23 16:02:30 2011 | malariacontrol.net | Task wu_1169_414_94979_0_1321999296_0 exited with zero status but no 'finished' file
Wed Nov 23 16:02:30 2011 | malariacontrol.net | If this happens repeatedly you may need to reset the project.
Wed Nov 23 16:02:30 2011 | malariacontrol.net | Restarting task wu_1169_414_94979_0_1321999296_0 using openMalariaB version 657
Wed Nov 23 16:02:31 2011 | malariacontrol.net | Task wu_1200_415_94978_0_1321999284_0 exited with zero status but no 'finished' file
Wed Nov 23 16:02:31 2011 | malariacontrol.net | If this happens repeatedly you may need to reset the project.
Wed Nov 23 16:02:31 2011 | malariacontrol.net | Restarting task wu_1200_415_94978_0_1321999284_0 using openMalariaB version 657
Wed Nov 23 16:02:42 2011 | malariacontrol.net | Task wu_1200_503_94978_0_1321999285_0 exited with zero status but no 'finished' file
Wed Nov 23 16:02:42 2011 | malariacontrol.net | If this happens repeatedly you may need to reset the project.
Wed Nov 23 16:02:42 2011 | malariacontrol.net | Restarting task wu_1200_503_94978_0_1321999285_0 using openMalariaB version 657

I've been having this problem ever since I suspended work and quit the client. I run the latest stable release of the client for Mac and 10.6.8. I have task checkpoint to disk at most set at 60 seconds. Any help appreciated.

Edit: By the way I've tried to extensively look up solutions to this problem. Some solutions just say this is a "benign problem" and to ignore it but it keeps repeating and the WU just stops running. I've had to keep resetting it in the past which wastes a lot of effort.

Update: After a series of resets this problem no longer occurs