Saving movie that I have edited to MP4 or WMV and about half way through the system crashes and have to restart computer. I am not sure what is going on. Running the latest version on Win 7.

APP events:
Log Name:      Application
Source:        Microsoft-Windows-CertificateServicesClient-AutoEnrollment
Date:          7/19/2013 6:22:06 PM
Event ID:      64
Task Category: None
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      VHORN
Description:
Certificate for local system with Thumbprint f5 31 fa 11 31 d4 79 82 c0 bc ab 7d 49 7d 73 9c 72 b1 55 1e is about to expire or already expired.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-CertificateServicesClient-AutoEnrollment" Guid="{F0DB7EF8-B6F3-4005-9937-FEB77B9E1B43}" EventSourceName="AutoEnrollment" />
    <EventID Qualifiers="32768">64</EventID>
    <Version>0</Version>
    <Level>3</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2013-07-20T01:22:06.000000000Z" />
    <EventRecordID>20704</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>Application</Channel>
    <Computer>VHORN</Computer>
    <Security />
  </System>
  <EventData>
    <Data Name="Context">local system</Data>
    <Data Name="ObjId">f5 31 fa 11 31 d4 79 82 c0 bc ab 7d 49 7d 73 9c 72 b1 55 1e</Data>
  </EventData>
</Event>

Log Name:      Application
Source:        Microsoft-Windows-EventSystem
Date:          7/19/2013 6:22:10 PM
Event ID:      4356
Task Category: Firing Agent
Level:         Warning
Keywords:      Classic
User:          N/A
Computer:      VHORN
Description:
The COM+ Event System failed to create an instance of the subscriber {1CCB96F4-B8AD-4B43-9688-B273F58E0910}.  StandardCreateInstance returned HRESULT 80070005.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-EventSystem" Guid="{899daace-4868-4295-afcd-9eb8fb497561}" EventSourceName="EventSystem" />
    <EventID Qualifiers="32768">4356</EventID>
    <Version>0</Version>
    <Level>3</Level>
    <Task>18</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2013-07-20T01:22:10.000000000Z" />
    <EventRecordID>20708</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>Application</Channel>
    <Computer>VHORN</Computer>
    <Security />
  </System>
  <EventData>
    <Data Name="param1">80070005</Data>
    <Data Name="param2">{1CCB96F4-B8AD-4B43-9688-B273F58E0910}</Data>
    <Data Name="param3">StandardCreateInstance</Data>
  </EventData>
</Event>

Log Name:      Application
Source:        Microsoft-Windows-WMI
Date:          7/19/2013 6:22:53 PM
Event ID:      10
Task Category: None
Level:         Error
Keywords:      Classic
User:          N/A
Computer:      VHORN
Description:
Event filter with query "SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA "Win32_Processor" AND TargetInstance.LoadPercentage > 99" could not be reactivated in namespace "//./root/CIMV2" because of error 0x80041003. Events cannot be delivered through this filter until the problem is corrected.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Microsoft-Windows-WMI" Guid="{1edeee53-0afe-4609-b846-d8c0b2075b1f}" EventSourceName="WinMgmt" />
    <EventID Qualifiers="49152">10</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x80000000000000</Keywords>
    <TimeCreated SystemTime="2013-07-20T01:22:53.000000000Z" />
    <EventRecordID>20710</EventRecordID>
    <Correlation />
    <Execution ProcessID="0" ThreadID="0" />
    <Channel>Application</Channel>
    <Computer>VHORN</Computer>
    <Security />
  </System>
  <EventData>
    <Data>//./root/CIMV2</Data>
    <Data>SELECT * FROM __InstanceModificationEvent WITHIN 60 WHERE TargetInstance ISA "Win32_Processor" AND TargetInstance.LoadPercentage &gt; 99</Data>
    <Data>0x80041003</Data>
  </EventData>
</Event>

Any help