Kaspersky Security Center

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

Latest update: 15 March 2024 ID: 15304
Show applications and versions that this article concerns
  • Kaspersky Security Center 14.2 (version
  • Kaspersky Security Center 14 (version
  • Kaspersky Security Center 13.2 (version
  • Kaspersky Security Center 13.1 (version
  • Kaspersky Security Center 13 (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.

  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.

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 increase as new updates get downloaded. 

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