Sophos Outlook Add-in v1.3: "This add-in is incompatible with Data Execution Prevention mode and should be disabled or upgraded to the latest version."

  • Article ID: 120011
  • Updated: 14 Nov 2013

Issue

If you have the Sophos Outlook Add-in 1.3.0 installed, and you close Outlook suddenly -i.e. before it is fully launched, you may see the following dialog box:

Outlook experienced a serious problem with the 'sophos outlook add-in' add-in. This add-in is incompatible with Data Execution Prevention mode and should be disabled or upgraded to the latest version. Do you wish to disable this add-in from loading?.

First seen in

Sophos Outlook Add-in

Cause

This message appears because the underlying .NET Framework code did not have a chance to completely load. This will not impact the Sophos Outlook Add-in the next time it is launched along with Outlook, but the error message can be misleading.

What To Do

If you see this, select No

 
If you need more information or guidance, then please contact technical support.

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