If you’re still working within the Siemens ecosystem using Version 13, upgrading to TIA Portal V13 SP1 Update 4

By following this guide, you should be able to successfully update Siemens TIA Portal V13 SP1 to Update 4 and take advantage of the latest features, bug fixes, and performance improvements.

: A critical fix addressed sessions crashing when a PC woke from sleep mode while linked to a PLC. Previously, this could leave the CPU unresponsive and require a manual power cycle. Resource Efficiency

If your current TIA Portal version is lower than V13 SP1 Update 4, cease engineering work immediately, perform a full project backup, and apply the update. The ROI is measured in hours of debugging time saved and the elimination of spontaneous IDE crashes.