I ran a Simulation 3 days ago and got the results. Today when I open the same Simulation I get the message (1) "This study is being solved". The "Results" are greyed out and nothing can be edited or re-run. If I right-click on the study (2) "LC3-0" I get the option to "Cancel Solver" but this do not work. No star.exe process is running.

I have tried to delete the results file, but the the same