Run the executable for SP2. This is a cumulative package that updates the core framework.
Use the Automation License Manager (ALM) to transfer your valid V11 floating or single license key to the local drive. Summary of Best Practices tia portal v11 sp2 update 3 top download
Based on this analysis, the following actions are recommended: Run the executable for SP2
specifically addresses over 100 known issues from earlier updates, including: tia portal v11 sp2 update 3 top download