I installed 4.09 and tried to run CPDN. Here are a few extracts from my message board: (from most recent to oldest)

climateprediction.net - 2004-09-21 17:04:44 - expected 2f928c66d96b13afa5fa2bcf31fb9f4c, got 36f215095253dae053b55c7669a70bcf
climateprediction.net - 2004-09-21 17:04:44 - MD5 check failed for hadsm3data_4.03_windows_intelx86.zip
climateprediction.net - 2004-09-21 17:03:46 - Checksum or signature error for hadsm3data_4.03_windows_intelx86.zip
climateprediction.net - 2004-09-21 17:03:46 - expected 2f928c66d96b13afa5fa2bcf31fb9f4c, got 36f215095253dae053b55c7669a70bcf
climateprediction.net - 2004-09-21 17:03:46 - MD5 check failed for hadsm3data_4.03_windows_intelx86.zip
climateprediction.net - 2004-09-21 17:03:45 - Couldn\'t delete file projects\\climateprediction.net\\hadsm3data_4.03_windows_intelx86.zip
climateprediction.net - 2004-09-21 17:03:43 - Giving up on download of hadsm3data_4.03_windows_intelx86.zip: Downloaded file had wrong size: expected 4493630, got 12710206
climateprediction.net - 2004-09-21 17:03:40 - expected 1c154f3de0267dae814b36f42aa30e33, got ddfd9fcbb13ff0697687995d34dea63d
etc pp..
seems like it always tries to download files again.

As i have seen on your application page, you still use version 4.03 for windows. Is it impossible to run CPDN on a 4.09 machine? Should I detach and wait until you get to 4.09?

4.03 is the slab model. (CPDN project appliction)

If you click the model download link, the version of BOINC is 4.09.

4.09 works just fine with CPDN, you are getting download errors for some reason. Have you tried resetting the project to see if that has any effect?

<a href="http://www.boinc.dk/index.php?page=user_statistics&amp;project=cpdn&amp;userid=355"><img border="0" height="80" src="http://355.cpdn.sig.boinc.dk?188"></a>

i detached and reattached. seems to work now, even if i don't know what made the difference to my tries before.

&gt; i detached and reattached. seems to work now, even if i don't know what made
&gt; the difference to my tries before.

That's good. :)

Resetting should have accomplished the same thing without generating another host ID.