Boinc starts for a second or 2 and crashs with this log:

2004-08-06 08:06:32 [SETI@home] Deferring communication with project for 12 hours, 15 minutes, and 28 seconds
2004-08-06 08:06:35 [climateprediction.net] Giving up on upload of 007t_000025266_0_2.zip: File downloaded was not the correct file or was garbage from bad URL
2004-08-06 08:06:38 [climateprediction.net] Error on file upload: invalid signature
2004-08-06 08:06:38 [climateprediction.net] Giving up on upload of 007t_000025266_0_3.zip: server rejected file

***UNHANDLED EXCEPTION****
Reason: Access Violation (0xc0000005) at address 0x004206DD read attempt to address 0x00000100

1: 08/06/04 08:06:38

gretz echelon

I think you better reïnstall for some reason your model crashed and the server doesn't accept that file :s