Overview
This article describes common challenges related to Respondus LockDown Browser.
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Task Manager is greyed out.
Windows Task Manager may become greyed out or inaccessible if a computer is restarted while LockDown Browser is still running.
For resolution steps, visit the Respondus Technical Support article I restarted my computer while LockDown Browser was running. Windows Task Manager is now greyed out.
LDB froze, and now I can't exit it.
If LockDown Browser appears to have frozen, please refer to the Respondus Technical Support article LockDown Browser froze during a test and I cannot exit for troubleshooting and resolution steps.
LockDown Browser won't open because of a Chrome extension, and I can't find it. What do I do?
Respondus Lockdown Browser is conflicting with a Chrome extension that is hiding in another Chrome profile you may have. Try the following: Open your Chrome profiles, one by one, by clicking on your profile picture in the top-right corner of Chrome, then open your other profiles. In those Chrome windows, open the Settings menu (⋮), then navigate to Extensions > Manage Extensions, or alternatively, copy and paste the following URL into your address bar: chrome://extensions/. Here, find the extension named in Lockdown Browser that is not allowing you to sign in. You can either 1) disable the extension, if you plan to use it later, or 2) remove the extension. This should allow you to sign into Lockdown Browser, after you close and reopen the application.
I'm having trouble connecting to the internet with LockDown Browser.
You may receive a message that you are unable to connect to the Internet when LockDown Browser is opened. If this occurs, choose "Yes" to run diagnostics and then run the Network Connection test. Look at the list of programs for any security, Internet or network programs. There may be multiple programs that could be stopping LockDown Browser from connecting to the Internet. Each program may need to be told to "trust" or "allow access" to the LockDown.exe program. If you are unsure how to do this, please contact the OIT Help Desk.
As a second check, verify the computer system clock is set to the correct date and time for your local time zone and verify the computer is synchronizing with an Internet time server in Windows: Control Panel > Date and Time or Mac: System Preferences > Date & Time.
The symptom I'm seeing is different, but it's related to Respondus LockDown Browser.
The Respondus Technical Support page allows you to request assistance with Respondus products, browse help articles, view recent Respondus updates, and check the Respondus status page.
Still Have Questions?
If you have additional questions about this topic, please contact the OIT Help Desk.