Respondus LockDown Browser (RLB) is a custom browser that locks down the testing environment to deter cheating in D2L. When RLB is turned on, students are unable to copy, print, access other applications, or visit a website while taking an online quiz or exam.

Please review the handout and video for directions for installing Respondus.

Seeing this message? LockDown Browser shouldn't be started manually.

Need assistance?

  • Send an email to
  • Include your name, 9200 number, the CRN of the course, and the name of the quiz.
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