Adobe Reader XI – An internal error occurred

Adobe Reader An Internal Error Occurred

I installed Adobe Reader XI on our Windows Server 2012 R2 RDS servers, and we start to get this error when we started Adobe Reader.

After some time on Google i found out that disabling Adobe Reader XI sandbox protection mode fixed the error.

go to the registry and find this key:
HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Adobe\Acrobat Reader\11.0\FeatureLockDown

Create a new REG_DWORD

Value Name
bProtectedMode

Value Data
0

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Adobe Reader XI – An internal error occurred, 5.8 out of 6 based on 32 ratings

29 thoughts on “Adobe Reader XI – An internal error occurred”

  1. Thanks for the hint. The setting is also in the Adobe Reader admx, and after including this in the rds policies we got rid of the error.

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  2. Thanks, people like you deserve free lunch EVERY day.

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  3. Thank you so much. That solved the problem for us.

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  4. You rock! After a few hours of rebooting and reinstalling you saved my bacon. Thanks for sharing!

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  5. It works perfectly! But there is another problem. Disabling sandbox protection mode causes problems with .pdf files that contains fields for filling. It crashes immediately after starting the app. Any ideas?…
    It’s annoying to enable and disable the protection mode all the time.

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  6. Thank you very mutch.

    Awesome, just fixed the problem.

    Greetz. Erik.

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  7. Thanks a lot for posting this. It solved the problem for my 2012 RDS pooled VM’s.

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  8. Try “Pdf xchange viewer”. It’s free, and portable, if you want…

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