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Home > Curriculum and Instruction Center > My Courses (D2L) for Students > Respondus Lockdown Browser Installation and Troubleshooting (Students)
Respondus Lockdown Browser Installation and Troubleshooting (Students)
Sabrina Wiekeraad
Sep 29, 2026
2390 views

Installing Respondus LockDown Browser for Quizzes

If a quiz requires LockDown Browser you can download it from the quiz. 

 

Navigate to the quiz in your course. Once you have the instructions page for the quiz open there will be an option under Quiz Requirements to download and install LockDown Browser. Click on that option. 

Screenshot showing instructions to download and install the LockDown Browser with a link and launch button.

 

Click Download

Webpage for LockDown Browser download featuring overview, version, and download sections.

 

Follow the prompts. 

 

Note: If you try to launch the quiz without downloading LockDown Browser, you will get a message saying that LockDown Browser is not installed.

"Notification about LockDown Browser not being installed with a link to download it."

 

Once you have LockDown Browser installed and you launch the quiz it will ask you to open LockDown Browser.

 

Respondus LockDown Browser Troubleshooting

 

There are a few different issues that can occur when using Respondus LockDown Browser. Please find the error you are experiencing below and follow the recommended steps.

 

Respondus Update Error

If you are receiving an in-app update prompt or an “Update check failed: Error Code a4” message, Respondus LockDown Browser may need to be updated. Please try the following:

  1. Uninstall Respondus LockDown Browser from your computer.
  2. Check your computer for any available system updates and install them.
  3. Restart your computer.
  4. Reinstall Respondus LockDown Browser using the link provided through your course. You can usually access this by opening the quiz or exam that requires LockDown Browser. If it is not installed, you will be prompted to download it.
  5. After reinstalling, try accessing your exam again.

 

Exam Settings Error

If you receive a message stating that there is a problem with the exam settings or that the instructor needs to use the LockDown Browser Dashboard to enable or update the settings, please contact your instructor.

 

This error indicates that something needs to be updated within the exam settings and cannot be resolved from your device.

 

Respondus + ATI Issues

If you are using Respondus LockDown Browser with ATI and are encountering an error, first try updating Respondus:

  1. Uninstall Respondus LockDown Browser from your computer.
  2. Check your computer for any available system updates and install them.
  3. Restart your computer.
  4. Log in to ATI.
  5. Select the Test tab.
  6. Open ATI TEAS Dry Run.
  7. You should see a Respondus Required screen with an option to download Respondus LockDown Browser for your device.
  8. Install Respondus and try accessing your exam again.

 

If you are still having trouble, please reach out to your instructor.

 

Still Having Trouble?

If your error is not listed above, or you have completed the recommended troubleshooting steps and are still having trouble, please send the Help Desk ([email protected]) an email with the following information:

 

  • A screenshot of the full error message
  • The course name and number
  • The name of the quiz or exam
  • The type of device you are using, such as a Windows PC, Mac, or Chromebook
  • A brief description of when the error occurs, such as when launching Respondus, opening the exam, or submitting the exam

 

Providing this information will help us determine the issue more quickly.

 

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