I'm having trouble with invalid library errors. After making an adjustment with the tools on my computer, I was able to get the sketch to run successfully (the sketch was taken from a YouTube video). However, I tried the same settings on a different computer, with the same file pathway, and got the error message below attached. I have also copied a picture of the file pathway.
Invalid library found in \arndell.nsw.edu.au\staff\christopher.chilton\Arduino\libraries\Sequential_blinking: \arndell.nsw.edu.au\staff\christopher.chilton\Arduino\libraries\Sequential_blinking
Please post a directory listing or screenshot that shows the contents of the \arndell.nsw.edu.au\staff\christopher.chilton\Arduino\libraries\Sequential_blinking folder
I also see another problem in your screenshot:
The folder sketch_mar07a is very unlikely to be a library. It's almost certainly a sketch. You should not save sketches to the libraries folder, as it will cause the Arduino IDE to display an invalid library warning for that folder. You can save them anywhere else you like other than that folder. This Sequential_blinking may also be a sketch. Move all sketches out of the libraries folder.
It's a sketch, not a library. Move the sketches out of your libraries folder and don't save any more sketches to that folder and you won't encounter that warning anymore.
Note that this is a warning, not an error. It doesn't actually cause any problems to have invalid libraries. It's just annoying and distracting to see that message all the time.
Solved. Thanks for your help
