On one computer in particular I get numerous messages after the processing is completed that an "output file xxxxx absent". Usually there are three of these messages associated with each work unit in error. In looking at stderr in one case I noticed the message that it could not open "restart.coor"
I have done the drive sweeper thing, cleaned out the que and restarted, done a chkdsk on the drive, but nothing works. A few work units process OK, but it is a big waste of time given the length of these work units to have them fail. Other projects processed on this computer do not have this problem. Any answers? John

On one computer in particular I get numerous messages after the processing is completed that an "output file xxxxx absent". Usually there are three of these messages associated with each work unit in error. In looking at stderr in one case I noticed the message that it could not open "restart.coor"
I have done the drive sweeper thing, cleaned out the que and restarted, done a chkdsk on the drive, but nothing works. A few work units process OK, but it is a big waste of time given the length of these work units to have them fail. Other projects processed on this computer do not have this problem. Any answers? John

Check the temperature of your graphics card. It may be that the graphics card gets too hot.

Thanks for the thought on the graphics card, but I have already done that and it is OK