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Frequently Asked Questions

and tips for troubleshooting.

Firefox Error Message

Question: I've installed the browser extension in Firefox, but all I see is a message saying "an error has occurred, please try again later"!

Lean Library Error message in Firefox

Answer: You need to update to the most recent version of Firefox. This extension is supported from version 56 onward.

Click here to download the latest version of Firefox from Mozilla.


Question: When I'm setting up my notifcations, I see the option to "automate my authentication and skip associated pop-ups". What happens if I select this option?

Highlights the option to select "Automate my authentication and skip associated pop-ups" in the Lean Library browser extension notification settings

Answer: If you select this option, you will be automatically connected to UBC Libraries resources on external websites whenever possible. If you leave this option unselected, you will need to click the pop up to get access every time you visit an external website, such as or; see the image below.

You can deselect this option at any time by accessing the Settings area of the browser extension. Click the gear icon on any pop up to change your settings.

Important tip: If you have a personal subscription to a website (such as The New Yorker), do not check the option to "skip the popup and automate my access" or the browser extension will redirect you to UBC access rather than your own account.

Arrow points to the gear icon at the top left of a Lean Library pop-up

Question: How do I remove or disable the Lean Library browser extension?

Answer: Instructions for each supported browser are provided by Lean Library.