I received this error overnight after finishing a wu:
10:09:55] + Attempting to send results
[10:15:00] + Results successfully sent
[10:15:00] Thank you for your contribution to Folding@Home.
[10:15:00] + Starting local stats count at 1
[10:17:06] - Preparing to get new work unit...
[10:17:06] + Attempting to get work packet
[10:17:06] - Connecting to assignment server
[10:17:07] - Successful: assigned to (171.64.65.64).
[10:17:07] + News From Folding@Home: Welcome to Folding@Home
[10:17:07] Loaded queue successfully.
[10:17:28] + Closed connections
[10:17:28]
[10:17:28] + Processing work unit
[10:17:28] Core required: FahCore_a1.exe
[10:17:28] Core found.
[10:17:28] Working on Unit 04 [March 24 10:17:28]
[10:17:28] + Working ...
[10:17:28]
[10:17:28] *------------------------------*
[10:17:28] Folding@Home Gromacs SMP Core
[10:17:28] Version 1.74 (March 10, 2007)
[10:17:28]
[10:17:28] Preparing to commence simulation
[10:17:29] - Ensuring status. Please wait.
[10:17:32] - Starting from initial work packet
[10:17:32]
[10:17:32] Project: 2610 (Run 1, Clone 326, Gen 1)
[10:17:32]
[10:17:32] Assembly optimizations on if available.
[10:17:32] Entering M.D.
[10:17:51] 2 percent)
[10:17:52] - Starting from initial work packet
[10:17:52]
[10:17:52] Project: 2610 (Run 1, Clone 326, Gen 1)
[10:17:52]
[10:17:55] Entering M.D.
[10:18:01] Rejecting checkpoint
[10:18:01] FILE_IO_ERROR
[10:18:01] Finalizing output
10:09:55] + Attempting to send results
[10:15:00] + Results successfully sent
[10:15:00] Thank you for your contribution to Folding@Home.
[10:15:00] + Starting local stats count at 1
[10:17:06] - Preparing to get new work unit...
[10:17:06] + Attempting to get work packet
[10:17:06] - Connecting to assignment server
[10:17:07] - Successful: assigned to (171.64.65.64).
[10:17:07] + News From Folding@Home: Welcome to Folding@Home
[10:17:07] Loaded queue successfully.
[10:17:28] + Closed connections
[10:17:28]
[10:17:28] + Processing work unit
[10:17:28] Core required: FahCore_a1.exe
[10:17:28] Core found.
[10:17:28] Working on Unit 04 [March 24 10:17:28]
[10:17:28] + Working ...
[10:17:28]
[10:17:28] *------------------------------*
[10:17:28] Folding@Home Gromacs SMP Core
[10:17:28] Version 1.74 (March 10, 2007)
[10:17:28]
[10:17:28] Preparing to commence simulation
[10:17:29] - Ensuring status. Please wait.
[10:17:32] - Starting from initial work packet
[10:17:32]
[10:17:32] Project: 2610 (Run 1, Clone 326, Gen 1)
[10:17:32]
[10:17:32] Assembly optimizations on if available.
[10:17:32] Entering M.D.
[10:17:51] 2 percent)
[10:17:52] - Starting from initial work packet
[10:17:52]
[10:17:52] Project: 2610 (Run 1, Clone 326, Gen 1)
[10:17:52]
[10:17:55] Entering M.D.
[10:18:01] Rejecting checkpoint
[10:18:01] FILE_IO_ERROR
[10:18:01] Finalizing output
