Customer receives error message including the string “External Exception: C0000006”
If the steps in Resolution 1 have been taken and there is not an issue with the network connection between server and client, find out if the a Terminal Server or Application Server is being used. If so, it's possible the issue is being caused by File Control Blocks (FCB) for programs being accessed directly over a network share.
Symptoms:
Cause:
See MS KB 2536487
http://support.microsoft.com/kb/2536487
This is an Issue with how FCB (File Control Blocks) for programs being accessed directly over a network share on a 2008 32bit+ RDS/Term server .
Example:
On a 2012 R2 RDS server the end user launches \\Appservername\share\Program.exe
Solution:
If the application running over a network share, try moving Control.exe and related files to the Terminal Server and try running the application locally to see if the symptoms go away.
The files needed for this are as follows: