Hi, I am back again....
I have engaged another problem. About two days ago, there are four projects in my working list. Yesterday, one of them disappear (of course not complete). This morning, another one disappear....
I feel very confused about this, would someone explain this wierd problem ?
Thanks.

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A list of the results for your computer is here. Four results (i.e. models) were initially downloaded; two have now failed, leaving two running.

One model failed with the exit status \'1073807364\'; these \'107\' errors are sometimes associated with graphics problems. If you have a look at this post, it should help avoid those problems in the future. The second model\'s failure is harder to diagnose, since the error code (\'22\') covers a number of possible reasons.

If you want more models, then press the \'Allow new tasks\' button in the \'Advanced\' view of BOINC Manager. But first, have a good read of the error-prevention posts, and consider backing up (here).