Just updated Windows 10 64 bit to latest (Nov 2015) version. Also updated BOINC to 7.6.22. Neither Rosetta, Einstein, nor WCG now use more than 1 of my two cpu cores. Yesterday they happily used both. And backing down to prev Boinc version does the same thing...

Any ideas why this might change?

NB: Also running 2 GPUs - a GTX 750 and GT640. Both working OK though the win 10 update needed a clean nvidia driver install to get open L back

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( http://boinc.berkeley.edu/dev/forum_thread.php?id=8600 )

Please always include these:

• Post the first 40 - 100 lines from your BOINC Event Log (CTRL+SHIFT+E), including it showing what your BOINC is doing, which project tasks it is running.
.
.

and then also...

• If you have preferences problems, please post the contents of your global_prefs.xml file and if it exists the contents of the global_prefs.override.xml file. These files can be found in your BOINC Data directory

This issue seems to have resolved itself after a couple of days crunching; there seems no further need for discussion.

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