How to empty the folders containing Microsoft updates in Kaspersky Security Center

Latest update: February 03, 2022 ID: 15304

The article concerns:

  • Kaspersky Security Center 13.2 (version
  • Kaspersky Security Center 13.1 (version
  • Kaspersky Security Center 13 (version
  • Kaspersky Security Center 12 (version
  • Kaspersky Security Center 12 (version
  • Kaspersky Security Center 11 (version

When using Kaspersky Security Center as a WSUS server, the following folders will gradually increase in size:

  • C:\ProgramData\KasperskyLab\adminkit\1093\.working\FTServer;
  • C:\ProgramData\KasperskyLab\adminkit\1093\.working\wusfiles. 

If you want to clear the folders and free up disk space:

  1. Open Kaspersky Security Center.
  2. Go to AdvancedApplication managementSoftware updates
  3. Clear all filters for the update list. The Not installed on devices filter is set to > 0 by default.

Opening the Software updates section and clearing filters in Kaspersky Security Center 11

  1. Press Ctrl+A on the keyboard to select all updates. 
  2. In the update shortcut menu click Delete update files

Deleting update files in Kaspersky Security Center 11

The update files will be queued for deletion. Depending on the Administration Server workload, the operation may take several hours. 

The update information will remain available via the Administration Console. Use filters to exclude certain updates from the list. 

Clearing the FTServer and wusfiles folders will only have a temporary effect. The size of the folders will grow as new updates get downloaded. 

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