Windows Vista Home Premium SP2 32bits
Intel(R) Core(TM)2Duo T8100 @2.10GHz 2.10GHz
RAM 4.00GB
BOINC 7.2.42

My workunits end in few seconds! (screenshot)
I resetted my project, but it didn't work.
Why is this happening and how can I solve this probrem?

I recently installed Kaspersky Internet Security, so is this doing something wrong?

I recently installed Kaspersky Internet Security, so is this doing something wrong?

Kaspersky Internet Security IS THE PROBLEM. It is preventing read and or write access to the BOINC data files and sub directories.

Make sure you EXCLUDE the BOINC PROGRAM DIRECTORY, the BOINC DATA DIRECTORY and all SUB DATA DIRECTORIES from MONITORING by Kaspersky.

I do not use Kaspersky so I can not provide you with detailed instruction on how to do this but it should be easy to figure out.

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Thank you for answering.

I added following directries to the trust object list:
C:\Program Files\BOINC\
C:\ProgramData\BOINC\
C:\ProgramData\BOINC\projects\wuprop.boinc-af.org\
C:\ProgramData\BOINC\slots\0\
C:\ProgramData\BOINC\slots\1\
C:\ProgramData\BOINC\slots\2\
C:\ProgramData\BOINC\slots\3\
and added
C:\ProgramData\BOINC\projects\wuprop.boinc-af.org\data_collect_v4_4.14_windows_intelx86__nci.exe
to the trust application list.

Now, my workunit seems to be working well.