Do not worry about the 8 units which you could not finish. They will be re-issued to someone else. They are gone. The most important thing is to figure out why you stopped at 80% and why you could not connect. Please post your messages when you restart BOINC. This may give us a clue.
I presume you have some form of I7 hyperthreaded. It is possible you overheated and caused a shutdown. Perhaps limit the number of workunits to 4 and see if they complete.

BTW- your English is pretty gut.

Cheers

Which version of BOINC are you using ??

Hi,

I found two stdoutdae.txt. The earlier one is:

http://yuzuke.lima-city.de/stdoutdae2.txt

The older one is:

http://yuzuke.lima-city.de/stdoutdae.txt

I think that the earlier one is the one we are searching for, because please remember that I installed BOINC once again after my complete Workunits crashed.

The first BOINC i had installed was the one which you can download from worldcommunitygrid.org when clicking "Download this software again for another computer" the second BOINC I installed later is wcg_boinc_6.2.28_windows_intelx86.

What do I have to do now?

I'm sorry but this is impossible because after I completely reinstalled BOINC as told abough all Messages, Workunits, everything has gone.

The old wu's is still there, but your problem is you switched from 32-bit to 64-bit BOINC-client.

Your previous client was v6.2.28, this only comes as a 32-bit version, and is as default installed to "c:\program files (x86)\boinc". Atleast if you've upgraded from v5.x.xx-client to v6.2.28, when v6.2.28 is uninstalled, it will move all BOINC data-files to the program-directory, "c:\program files (x86)\boinc". I'm not sure if this is also the case if you've only installed v6.2.28 and never any older version...

Your v6.10.45 on the other hand is a 64-bit version. This in itself isn't a problem, except, this as default gets installed to "c:\program files\boinc". Since all the data-files is residing in "c:\program files (x86)\boinc", the 64-bit installer doesn't see these files, and therefore can't move the data-files to the data-directory.

If you really wants to restore the old files it's possible, but if so you'll need to finish all current work (or abort it) 1st., since if not you'll lose this...

To more safely switch from 32-bit to 64-bit client, the method would be:
1: After uninstalling v6.2.28, install the 32-bit version of v6.10.xx. (uninstalling v6.2.28 isn't really neccessary).
2: Uninstall the 32-bit v6.10.xx-version.
3: Install the 64-bit v6.10.xx-version.

To "fix" your current setup...
1: Uninstall 64-bit v6.10.45.
2: Rename BOINC's data-directory to something else, so you have a backup-copy of this in case the 32-bit-part just errors-out...
3: Install 32-bit v6.10.xx-client.
4: Uninstall 32-bit v6.10.xx-client.
5: Re-install 64-bit v6.10.45.


Note, even if you do go through this, chances are all the work will just error-out, so it's a waste of time... Or, if it's not erroring-out on client-startup, if the "new" installation re-used the same device, chances are you've already done this work with the new installation, and you'll get server-abortion when connects to WCG...

Also, atleast for some BOINC-projects, a switch from 64-bit to 32-bit and back to 64-bit trashes all the work, but I don't remember if WCG is affected by this problem, since my recollection is too fussy at this particular point, but atleast with a 64-bit application this was the result... Also, I don't remember if the switch from 32-bit to 64-bit also gives problems (haven't really used 32-bit since v5.10.xx introduced 64-bit-client).


Atleast my recommendation would be, if your current installation works, and you don't have any long-running CPDN-models on client, it's a waste of time to try recovering the old installation. Any lost work will anyway be re-issued by WCG in a short time anyway.


edit - taking a closer look on the logs, something is screwed-up...
If you haven't already fixed the problem, probably the easiest would be to uninstall current BOINC-client, delete all BOINC-directories, the c:\programdata\boinc, the "c:\program files\boinc", and the "c:\program files (x86)\boinc".

Afterwards, install a new client, since you've got a 64-bit OS I would choose the 64-bit one, but the old v6.2.28 32-bit should also work... Switching between them on the other hand can lead to problems...