2 April 2025
Respondus LockDown Browser: Secure Online Exams
By Konstantinos Vassos: An overview of Respondus LockDown Browser’s features, functionality, and troubleshooting tips for online test security.

Respondus Lockdown Browser
Respondus LockDown Browser is a custom web browser designed to enhance the integrity of online exams. During tests, it prevents access to other applications, websites, and system functions.
Key Features
- Prevents students from opening other browsers or applications
- Disables functions such as copy-paste, screen capture, and printing
- Locks the assessment screen to prevent switching between windows
- Compatible with both Windows and macOS
How It Works
- Students must download and install the LockDown Browser before starting an exam.
- The browser launches in a secure mode, restricting access to unauthorized resources.
- The exam is conducted in full-screen mode, and the student cannot exit until submission.
Watch this helpful video guide on Respondus LockDown Browser
Common Issues And Troubleshooting
- Installation Problems: Ensure you have administrative privileges on your device.
- Internet Connection Issues: A stable connection is required to avoid being locked out of the exam.
- Incompatibility with Certain Devices: Chromebooks, tablets, and mobile devices may not be supported unless specified by the institution.
- Freezing or Crashing: Restart the device and close unnecessary background applications before launching the browser.
Best Practices For Students
- Exam Access: Always access exams by navigating through your course page, not through reminders or calendars.
- VPN & Antivirus:
- Consider temporarily disabling real-time antivirus scanning
- Temporarily disable VPN connections before taking the exam
- Webcam Setup:
- You can change your webcam during the webcam check
- Ensure your computer's camera privacy settings allow desktop apps access
- Time & Location: Set your computer's time and time zone correctly before the exam
- Internet Connection:
- If possible, use a wired ethernet connection or stay close to the Wi-Fi router
- Close any other bandwidth-heavy applications during the exam
- Before the Exam:
- Uninstall any third-party webcam apps to avoid interference
- Disable or uninstall screen recording software like Screencastify
- Updates: Regularly check for and install LockDown Browser updates
- Restart & Reinstall: A clean installation is enough to fix problems related to corrupted installations.