chinocostibolo :
the problem is still there. I tried your solution and it did not work. What could be the problem?
Use the on-screen keyboard and check if the issue is there also.
Press the Window + R keys and type
osk and hit Enter.
Check if the issue persists.
Which computer model do you have?
Have you dropped liquid on the keyboard?
It could happen that audio app could have remapped some keys on your keyboard.
Look in the properties menu of the app that controls your audio.