Info is to thin. To get help you would need to those that can help you. You would do that by provide as much info you can found.

A good start is to get answer to:
Is this workunit for CPU or GPU?
Which CPU or GPU did you use for it? Just say laptop is not enough.
Which workunit is it?
which application does it say it use?
Which os does it use?
Any update to system recently while running task?
Did you suspend/restart task in this time?

Share stderr output. Get usage info of application while it is running. Share any info that you think could used to help you.
Provide info/log/pics/links anything.