

In this case, you can fix it by opening the Plex executable file with admin access. If you have installed the Plex server without enough permissions to run properly, then you may encounter the “there was an unexpected error loading this library Plex” error. Once completes, you can check if the “there was an unexpected error loading this library” is fixed. Then you need to wait for the process to complete. In the confirmation message, click on Optimize to execute this operation. Click on the Three-dot menu at the top left corner and select Manager Server > Optimize Database from the pop-up menu. Click here to access Plex.TV and then log in to your account. Some users have confirmed that they fixed the issue by optimizing the database. The Plex library not updating issue often indicates that your database needs to be optimized.
