Knowledge Base
"Bad Image" 0xc0000020 when starting LockDown Browser
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If you receive the above error when starting LockDown Browser, it's likely because of over aggressive security software wrongly determining that LockDown Browser is a threat. As a result, the startup of LockDown Browser is interfered with, and the installation of LockDown Browser may even be corrupted. We recommend the following steps: 1) Uninstall LockDown Browser from your computer. 2) Reinstall LockDown Browser using a copy of the installer downloaded from your institution's unique LockDown Browser download URL. 3) Make sure you only have one major anti-virus security software program installed on your computer. 4) In the one anti-virus program (if any) be sure to whitelist "lockdownbrowser.exe".
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