If you open Guided Access and look at the bottom of the screen, you'll see some controls such as "hardware buttons," "touch" and "time limit." Additionally, in the center of the screen near the bottom is the phrase "circle areas on the screen you would like to disable." This is the security feature causing the shapes.
#RESPONDUS LOCKDOWN BROWSER WORKAROUND UPGRADE#
Until you upgrade to version 5.0, the only workaround is found below. You also might desire to disable Guided Access if you do not use that functionality for any other apps. We recommend you visit the Apple Store and download version 5.0. With the release of version 5.0 of LockDown Browser for iPad, Guided Access is no longer needed, and so this problem can be avoided completely by upgrading. Any area on the screen where the dark grey shape appears is rendered temporarily disabled to your touch. These shapes are caused by a Guided Access security feature that permits a user to designate areas of the screen that they want to block from being accessed. If you use the LockDown Browser iPad app, you may occasionally see grey shapes on your screen. The iPad Edition of "LockDown Browser" available from the Apple App Store ( "general" > "accessibility" > "guided access" Some students have found creating another user account with "Allow user to administer this computer", restarting the Mac and logging with the new user account allowed them to start LockDown Browser. For Macs, you should check settings in System Preferences->Security & Privacy.ģ) We also recommend doing a complete power down and restart of your Mac.Ĥ) For Macs, the "a4 error" can be due to permissions issues with the specific user account on the Mac. These domains may need to be added as "trusted sites" in security settings on the local computer and may need to be added to network firewalls or routers. It's possible that your computer's security settings are blocking access, or you possibly have a firewall or anti-virus software running on your computer or network that is causing the block.ġ) Temporarily relax all anti-virus and firewall software on the computer and try the exam again.Ģ) Your computer, ISP, or network may be blocking access to the Respondus servers. If your computer and/or network is blocking access to this server, the LockDown Browser session will not be permitted to continue.
#RESPONDUS LOCKDOWN BROWSER WORKAROUND UPDATE#
LockDown Browser accesses this server in order to check if an update has been issued by Respondus. When LockDown Browser starts, it must be permitted to access this server:
Error Message: Update Check Failed: Error Code a4
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