I keep getting this happening. Any idea how to fix it? I'm using the SMB version.
[17:35:37] + Processing work unit
[17:35:37] Core required: FahCore_a1.exe
[17:35:37] Core found.
[17:35:37] Working on Unit 00 [May 13 17:35:37]
[17:35:37] + Working ...
[17:35:41] CoreStatus = FFFFFFFF (-1)
[17:35:41] Client-core communications error: ERROR 0xffffffff
[17:35:41] - Attempting to download new core...
[17:35:41] + Downloading new core: FahCore_a1.exe
[17:35:42] + 10240 bytes downloaded
[17:35:42] + 20480 bytes downloaded
[17:35:42] + 30720 bytes downloaded
[17:35:43] + 40960 bytes downloaded
[17:35:43] + 51200 bytes downloaded
[17:35:43] + 61440 bytes downloaded
[17:35:43] + 71680 bytes downloaded
[17:35:43] + 81920 bytes downloaded
[17:35:43] + 92160 bytes downloaded
[17:35:43] + 102400 bytes downloaded
[17:35:43] + 112640 bytes downloaded
[17:35:43] + 122880 bytes downloaded
[17:35:43] + 133120 bytes downloaded
[17:35:43] + 143360 bytes downloaded
[17:35:43] + 153600 bytes downloaded
[17:35:43] + 163840 bytes downloaded
[17:35:43] + 174080 bytes downloaded
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[17:35:43] + 245760 bytes downloaded
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[17:35:44] + 307200 bytes downloaded
[17:35:44] + 317440 bytes downloaded
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[17:35:44] + 481280 bytes downloaded
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[17:35:44] + 665600 bytes downloaded
[17:35:44] + 675840 bytes downloaded
[17:35:44] + 686080 bytes downloaded
[17:35:45] + 696320 bytes downloaded
[17:35:45] + 706560 bytes downloaded
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[17:35:45] + 737280 bytes downloaded
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[17:35:45] + 768000 bytes downloaded
[17:35:45] + 778240 bytes downloaded
[17:35:45] + 788480 bytes downloaded
[17:35:45] + 789667 bytes downloaded
[17:35:45] Verifying core Core_a1.fah...
[17:35:45] Signature is VALID
[17:35:45]
[17:35:45] Trying to unzip core FahCore_a1.exe
[17:35:45] Decompressed FahCore_a1.exe (2035712 bytes) successfully
[17:35:45] + Core successfully engaged
[17:35:45] Deleting current work unit & continuing...
[17:35:49] - Preparing to get new work unit...
[17:35:49] + Attempting to get work packet
[17:35:49] - Connecting to assignment server
[17:35:50] - Successful: assigned to (171.6.65.84).
[17:35:50] + News From Folding@Home: Welcome to Folding@Home
[17:35:50] Loaded queue successfully.
[17:35:51] - Error: Attempt #1 to get work failed, and no other work to
Waiting before retry.
[17:36:10] + Attempting to get work packet
[17:36:10] - Connecting to assignment server
[17:36:11] - Successful: assigned to (171.6.65.64).
[17:36:11] + News From Folding@Home: Welcome to Folding@Home
[17:36:11] Loaded queue successfully.
[17:36:16] + Closed connections
[17:36:21]
[17:36:21] + Processing work unit
[17:36:21] Core required: FahCore_a1.exe
[17:36:21] Core found.
[17:36:21] Working on Unit 01 [May 13 17:36:21]
[17:36:21] + Working ...
[17:36:25] CoreStatus = FFFFFFFF (-1)
[17:36:25] Client-core communications error: ERROR 0xffffffff
[17:36:25] Deleting current work unit & continuing...
[17:36:29] - Preparing to get new work unit...
[17:36:29] + Attempting to get work packet
[17:36:29] - Connecting to assignment server
[17:36:30] - Successful: assigned to (171.6.65.64).
[17:36:30] + News From Folding@Home: Welcome to Folding@Home
[17:36:30] Loaded queue successfully.
[17:36:36] + Closed connections
[17:36:41]
[17:36:41] + Processing work unit
[17:36:41] Core required: FahCore_a1.exe
[17:36:41] Core found.
[17:36:41] Working on Unit 02 [May 13 17:36:41]
[17:36:41] + Working ...
[17:36:45] CoreStatus = FFFFFFFF (-1)
[17:36:45] Client-core communications error: ERROR 0xffffffff
[17:36:45] Deleting current work unit & continuing...
[17:36:49] - Preparing to get new work unit...
[17:36:49] + Attempting to get work packet
[17:36:49] - Connecting to assignment server
[17:36:50] - Successful: assigned to (171.6.65.64).
[17:36:50] + News From Folding@Home: Welcome to Folding@Home
[17:36:50] Loaded queue successfully.
[17:36:55] + Closed connections
It then tells me that it will fall asleep for 24 hours and try again.