Client continues to get intermittant .net errors when trying to print in their ehr application which knock them out of program

Log Name:      Application
Source:        .NET Runtime
Date:          10/24/2013 3:12:28 PM
Event ID:      1026
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      WIN2008r2Server
Description:
Application: Amazing Charts.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: exception code c0000005, exception address 68A01390

Event Xml:
<Event xmlns="">
  <System>
    <Provider Name=".NET Runtime" />
    <EventID Qualifiers="0">1026</EventID>
    <Level>2</Level>
    <Task>0</Task>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2013-10-24T22:12:28.000000000Z" />
    <EventRecordID>63232</EventRecordID>
    <Channel>Application</Channel>
    <Computer>WIN2008r2Server</Computer>
    <Security />
  </System>
  <EventData>
    <Data>Application: Amazing Charts.exe
Framework Version: v4.0.30319
Description: The process was terminated due to an unhandled exception.
Exception Info: exception code c0000005, exception address 68A01390
</Data>
  </EventData>
</Event>