I have ben running Seti and Rosetta, all installed in Drive C: without any problem. Until recently I put in a drive D:, and found out that Boinc manager is unnecessary accessing this D: drive, and waking it up from time to time.

This is very anoying. I do not know if this is Seti, Rosetta or Boinc problem. But looking at FileMon, Boinc is my best guess.

BTW, this screen saver is trying to invoke the Rosetta@home when I capture the log below. Any idea on how to prevent this from happening?

8:02:55 AM boinc.scr:13224 OPEN D: SUCCESS Options: Open Access: 00100180
8:02:55 AM boinc.scr:13224 QUERY INFORMATION D: BUFFER OVERFLOW FileFsVolumeInformation
8:02:58 AM svchost.exe:1272 READ D:\$Directory SUCCESS Offset: 0 Length: 4096
8:02:58 AM svchost.exe:1272 READ D: SUCCESS Offset: 0 Length: 4096
8:02:58 AM svchost.exe:1272 QUERY INFORMATION D:\NA V8\DISK1.CAB SUCCESS Attributes: A
8:11:51 AM boinc.scr:11696 OPEN D: SUCCESS Options: Open Access: 00100180
8:11:51 AM boinc.scr:11696 QUERY INFORMATION D: BUFFER OVERFLOW FileFsVolumeInformation
8:12:01 AM svchost.exe:1272 QUERY INFORMATION D:\NA V8\DISK1.CAB SUCCESS Attributes: A
9:11:12 AM boinc.scr:14104 OPEN D: SUCCESS Options: Open Access: 00100180
9:11:12 AM boinc.scr:14104 QUERY INFORMATION D: BUFFER OVERFLOW FileFsVolumeInformation
9:11:22 AM svchost.exe:1272 QUERY INFORMATION D:\NA V8\DISK1.CAB SUCCESS Attributes: A
9:23:42 AM boinc.scr:13428 OPEN D: SUCCESS Options: Open Access: 00100180
9:23:42 AM boinc.scr:13428 QUERY INFORMATION D: BUFFER OVERFLOW FileFsVolumeInformation
9:23:52 AM svchost.exe:1272 QUERY INFORMATION D:\NA V8\DISK1.CAB SUCCESS Attributes: A
10:49:03 AM boinc.scr:11788 OPEN D: SUCCESS Options: Open Access: 00100180
10:49:03 AM boinc.scr:11788 QUERY INFORMATION D: BUFFER OVERFLOW FileFsVolumeInformation
10:49:14 AM svchost.exe:1272 READ D: SUCCESS Offset: 0 Length: 4096
10:49:14 AM svchost.exe:1272 QUERY INFORMATION D:\NA V8\DISK1.CAB SUCCESS Attributes: A

Could this drive be used as part of your swap space? Just a quick stab in the dark.

Boinc save data in the poject folder which is where it was installed. this is updated regularly at the checkpoints so that you don't loose the accumulated work should your system be turned off for whatever reason. This can be controled to some degree in your general preferences - Disk and memory usage -Write to disk at most every X seconds.

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Boinc V 7.4.36
Win7 i5 3.33G 4GB NVidia 470