The piano shutter cannot be opened

[文寿]

Sorry, my English is not good.  My cakewalk  Piano Roll  won't open。Click piano roller shutter ，Press the shortcut key，

Can't get out。Reinstalling the software still doesn't work。

 

[reginaldStjohn]

Do you have a midi track selected or inserted in your project? Piano roll is for midi, or simple instrument, tracks.

A picture of what you are trying to do might be helpful