The vendor has published 2 unique mention(s) for this bug: 1. When you use a VDA version LTSR 2203 CU 4.1, the VDA might perform a bug check with the following message at any time at the beginning or during a session. Error "StopCode: SYSTEM THREAD EXCEPTION NOT HANDLED": Tdica.sys 2. When you use a VDA version LTSR 2203 CU 4.1, the VDA might perform a bug check with the message Error "StopCode: SYSTEM THREAD EXCEPTION NOT HANDLED: Tdica.sys at any time at the beginning or during a session. Latest urls for this bug: 1. https://docs.citrix.com//en-us/citrix-virtual-apps-desktops/2203-ltsr/whats-new/cumulative-update-5/fixed-issues 2. https://docs.citrix.com//en-us/citrix-virtual-apps-desktops/2402-ltsr/whats-new/2402-ltsr-initial-release/fixed-issues