Do you want to find out which application uses a specific TCP UDP port on your PC? How about look up the meaning of the error code being shown when an application does not start? PC Library is a website that can make even your grandfather techno savvy.

PC Library is a repository of thousands of error codes and TCP UDP ports which a person usually comes upon. If you just stumbled upon PC Library’s homepage by chance, you might get confused and think that you’re in a website dedicated to mathematics or something since you can mostly see just numbers. Hop on over to their website, check them out and become a computer wiz.