after doin the pin and micro configuration I close the STM32CUBEIDE, and reopen the program but now the program is not showing the configuration window or perpective, I have reboot cpomputer and progams but the configuration perpective doesn.t open o

did you save the file? or generate code?

Yes I did both. Actually i reopen the configuration Windows clicking the file with the blue icon( I don't remember the extensión), ​but after saving with ctrl+S, the IDE did not regenerate the code, I need to press Alt+K to generarte the code again

so its working. whats the problem then ?