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

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2014 Mar 18 ID: 7261

The article contains recommendations on how to minimize the influence of antivirus software on the system and network efficiency. These recommendations apply only to Kaspersky Lab products installed on computers running under Microsoft Windows XP / Vista / 7.

It is recommended not to perform virus scan for files and folders listed below as they cannot be infected by viruses. The files are blocked during the scan, so it can decrease system efficiency greatly. You can disable scan of the following files:

Disable scan of Windows Update or services of automatical files update

  • 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 Disc:\WINDOWS\SoftwareDistribution\DataStore\Logs by mask Edb*.log. 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

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

Disable scan of Windows security files

  • Add the following Windows security files located in the folder %windir%\Security\Database to the list of exclusions:
    • *.edb
    • *.sdb
    • *.log
    • *.chk
    • *.jrs

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

Disable group policy files scan

  • 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

How to add files to the list of exclusions

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

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