Thank you for the information Adam, Kaspersky Security Center 11.0.0.1131 is on limit support. It's recommended to upgrade to a fully supported version. However, you can try to apply patch B. Kaspersky Security Center 11 (version 11.0.0.1131): patch B can be found here: https://support.kaspersky.com/15293#block3 If the issue continues, please kindly contact Kaspersky Support. For more information on Product Support Lifecycle, B2B click on this link: Product Support Lifecycle B2B (kaspersky.com)