Hi NebGranny !
Something that happened to me sometime ago --before I realized what was wrong-- is that if you have kept the help screen minimized (you know by clicking on the minus "-" symbol in the right top corner) during a previous Photoshop session and closed the program.
Next time, in a new session, it will remember the settings and your help window will be opened but minimized.
So if this is the case, check on the task bar at the bottom of your browser and if you see the Photoshop help window right-click it and select maximize window. Hope this is the problem as it is easy to fix
Best regards - Martha
