Troubleshooting: Error message in Adobe Reader XI

Knowledge Base, Troubleshoot

Problem:  Adobe Reader XI is installed and was used to open some PDF files, and Microsoft Windows displayed this type of error message*:  unknown software exception (0xc0000409) occurred in the application at location 0x0041240b Solution:  Open Adobe, and then do the following: Select Edit, select Preferences, select Security (enhanced). Select the Sandbox protections checkbox. Remove the Enable […]