Default app for sldprt, sldasm and slddrw is the SW Launcher.
Ran a Repair of SW, but no fix.
Running SW2021 SP5.1, SW2023 SP5 and SW2024 SP3.1.
Previous to running Task Scheduler earlier today, a double click displayed the SW version choice dialog or loaded the file into a running SW (version permitting).
Now double clicking on an SW file does nothing, not even with SW running.

Any ideas on how to restore