library erased!

Dear, All.

I always have this problem, perhaps you know something how to solve it...
I already zip my library.
But it always gives a respond "ZIP doesn't contain any library".
or if i finally succeeded import the library,
it suddenly erased the contain of my .cpp and .h file.

Does this have ever happen to anyone else? What i need to do from here?

Best Regards

Stella

If you know where your sketch directory is, you can manually extract the files and place them in the libraries folder.

Windows?