Your validation has expired.


After having logged in, you receive the message, “Your validation has expired,” when navigating in the catalog or account. The system repeatedly requests you to login.

The solution is to Disable the Content Advisor in Internet Explorer. To do this:

  1. Go to Tools, the select Internet Options.
  2. Under Internet Options, click on the Content tab.
  3. The Content Advisor should say Disable…Click on that button. Follow the instructions.
  4. The Content Advisor should now say Enable…
  5. Click on OK
    to finish.

Questions? We can help!

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Scheduled Catalog Maintenance

Beginning at 4 a.m. Tuesday, November 28, we will be performing maintenance on the online catalog. During this time, you will not be able to use the online catalog, telephone renewal, event registration, room reservation, digital media check out, or online databases. We expect the work to be completed within a few hours. We apologize for any inconvenience.