Recommendations on how to configure Kaspersky Lab products under Windows XP / Vista / 7


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Recommendations on how to configure Kaspersky Lab products under Windows XP / Vista / 7

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2019 Feb 12 ID: 7261

The article contains recommendations on how to reduce the load of antivirus software on the system and improve performance. the recommendations concern Kaspersky Lab applicationsinstalled on Microsoft Windows XP, Vista or 7.


Some files and folders lon your computer cannot be infected by viruses. Scan may decrease system efficiency greatly due to blocking these files. You can exclude the following files from the scan scope:

  • The file of Microsoft Windows Update databases or automatical update service (Datastore.edb).
    The file is located in the folder: %windir%\SoftwareDistribution\DataStore. Exclude the Datastore.edb file.
  • Files of the transaction logs in the directory %windir%\SoftwareDistribution\DataStore\Logs. Exclude the following files:
    • Res*.jrs (in Windows Vista, the file has the name Edbres*****.jrs)
    • Res*.log (in Windows Vista, the file has the name Edbres*****.log)
    • EDB.chk
    • TMP.edb
  • Add the following Windows security files located in the folder %windir%\Security\Database to the list of exclusions:
    • *.edb
    • *.sdb
    • *.log
    • *.chk
    • *.jrs

    The symbol "*" in the Res*.jrs and Res*.log files means that there may be a number of such files.

Do not exclude .dit files from the scan. Some of the files with this extension may not be safe.

  • Files of user's group policies that can be found in %allusersprofile%:NTUser.pol

  • Configuration files of group policies that can be found in %Systemroot%\system32\GroupPolicy\: registry.pol

You can find detailed instructions on how to add files to the list of exclusions in the Kaspersky Lab Knowledge Base:

  • Kaspersky Internet Security 1918171615
  • Kaspersky Total Security 191817, 16, 15
  • Kaspersky Security Cloud 19
  • Kaspersky Small Office Security for PC 654

Adjust the settings of your Kaspersky Lab application

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