If you click on your WIN-Statik software and no startup window appears even though you see that the software is active in the Task Manager, then you can try these solutions below.
Solution 1:
In the Task manager you can find your software active and choose maximize as below and the software should appear on the screen.
Solution 2:
You can delete the settings file as below and then your software's startup window will be restored to the default location and then try to start the software again.
Path: C:\Users\Login-name\AppData\Roaming\StruSoft\WIN-Statik 6.5\Software-name