I have completed one of the new HCC units, but it was in error. I am using Vista, and I just updated boinc to 5.10.30. below is a copy of part of my message log:

11/26/2007 5:50:30 PM||Starting BOINC client version 5.10.30 for windows_intelx86
11/26/2007 5:50:30 PM||log flags: task, file_xfer, sched_ops
11/26/2007 5:50:31 PM||Libraries: libcurl/7.17.1 OpenSSL/0.9.8e zlib/1.2.3
11/26/2007 5:50:31 PM||Data directory: C:\BOINC
11/26/2007 5:50:31 PM||Processor: 2 GenuineIntel Intel(R) Core(TM)2 CPU T5200 @ 1.60GHz [x86 Family 6 Model 15 Stepping 6]
11/26/2007 5:50:31 PM||Processor features: fpu tsc pae nx sse sse2 pni mmx
11/26/2007 5:50:31 PM||OS: Microsoft Windows Vista: Home Edition, (06.00.6000.00)
11/26/2007 5:50:31 PM||Memory: 1.99 GB physical, 26.32 GB virtual
11/26/2007 5:50:31 PM||Disk: 99.74 GB total, 39.86 GB free
11/26/2007 5:50:31 PM||Local time is UTC -7 hours
11/26/2007 5:50:31 PM||Version change (5.10.22 -> 5.10.30)
11/26/2007 5:50:31 PM|World Community Grid|URL: http://www.worldcommunitygrid.org/; Computer ID: 275006; location: school; project prefs: school
11/26/2007 5:50:31 PM||General prefs: from World Community Grid (last modified 24-Nov-2007 16:05:56)
11/26/2007 5:50:31 PM||Host location: school
11/26/2007 5:50:31 PM||General prefs: using separate prefs for school
11/26/2007 5:50:31 PM||Preferences limit memory usage when active to 2037.82MB
11/26/2007 5:50:31 PM||Preferences limit memory usage when idle to 2037.82MB
11/26/2007 5:50:31 PM||Preferences limit disk usage to 13.97GB
11/26/2007 5:50:31 PM||Running CPU benchmarks
11/26/2007 5:51:02 PM||Benchmark results:
11/26/2007 5:51:02 PM|| Number of CPUs: 2
11/26/2007 5:51:02 PM|| 1568 floating point MIPS (Whetstone) per CPU
11/26/2007 5:51:02 PM|| 3435 integer MIPS (Dhrystone) per CPU
11/26/2007 5:51:03 PM|World Community Grid|Restarting task dddt0201h0423_ZINC03840328-0000_00_0 using dddt version 510
11/26/2007 5:51:04 PM|World Community Grid|Restarting task dddt0201h0423_ZINC02499700-0000_00_0 using dddt version 510
11/27/2007 5:09:58 AM|World Community Grid|Sending scheduler request: To report completed tasks. Requesting 0 seconds of work, reporting 6 completed tasks
11/27/2007 5:10:13 AM|World Community Grid|Scheduler request succeeded: got 0 new tasks
11/27/2007 5:58:27 AM|World Community Grid|Computation for task dddt0201h0430_ZINC04808097-0000_00_1 finished
11/27/2007 5:58:28 AM|World Community Grid|Starting X0000052121200200507262043_0
11/27/2007 5:58:28 AM|World Community Grid|[error] MD5 check failed for X0000052121200200507262043_X0000052121200200507262043.jp2
11/27/2007 5:58:28 AM|World Community Grid|[error] expected 1128062c8cdd32f8232656f41394ddba, got 19403e62c11b6b6a2726bf6e71714bb8
11/27/2007 5:58:28 AM|World Community Grid|Starting X0000052450804200507211312_1
11/27/2007 5:58:28 AM|World Community Grid|Starting task X0000052450804200507211312_1 using hcc1 version 515
11/27/2007 5:58:29 AM|World Community Grid|Computation for task X0000052121200200507262043_0 finished
11/27/2007 5:58:29 AM|World Community Grid|Output file X0000052121200200507262043_0_0 for task X0000052121200200507262043_0 absent
11/27/2007 5:58:30 AM|World Community Grid|Started upload of dddt0201h0430_ZINC04808097-0000_00_1_0
11/27/2007 5:58:30 AM|World Community Grid|Started upload of dddt0201h0430_ZINC04808097-0000_00_1_1
11/27/2007 5:58:33 AM|World Community Grid|Finished upload of dddt0201h0430_ZINC04808097-0000_00_1_0
11/27/2007 5:58:36 AM|World Community Grid|Finished upload of dddt0201h0430_ZINC04808097-0000_00_1_1
11/27/2007 5:59:31 AM|World Community Grid|Sending scheduler request: To report completed tasks. Requesting 2499 seconds of work, reporting 2 completed tasks
11/27/2007 5:59:36 AM|World Community Grid|Scheduler request succeeded: got 1 new tasks
11/27/2007 5:59:39 AM|World Community Grid|Started download of X0000042010394200411111440_X0000042010394200411111440.jp2
11/27/2007 5:59:40 AM|World Community Grid|Finished download of X0000042010394200411111440_X0000042010394200411111440.jp2
11/27/2007 6:52:14 AM|World Community Grid|Sending scheduler request: To fetch work. Requesting 101 seconds of work, reporting 0 completed tasks
11/27/2007 6:52:19 AM|World Community Grid|Scheduler request succeeded: got 0 new tasks
11/27/2007 6:52:19 AM|World Community Grid|Message from server: No work could be sent.
11/27/2007 6:52:19 AM|World Community Grid|Message from server: No work is available for AfricanClimate@Home
11/27/2007 6:52:19 AM|World Community Grid|Message from server: (won't finish in time) Computer on 99.6% of time, BOINC on 100.0% of that, this project gets 100.0% of that
11/27/2007 6:52:19 AM|World Community Grid|Message from server: (there was work but it was committed to other platforms)