Checking my event log again , i find that my estimate of the interval between these messages was inaccurate. Although the vast majority are for my lan card there are one or two for other things:
Log Name: Application
Source: SideBySide
Date: 29/07/2013 18:47:58
Event ID: 33
Task Category: None
Level: Error
Keywords: Classic
User: N/A
Computer: NGWCOMP2
Description:
Activation context generation failed for "C:\Windows\System32\BCMLogon.dll". Dependent Assembly Microsoft.VC90.MFC,processorArchitecture="amd64",publicKeyToken="1fc8b3b9a1e18e3b",type="win32",version="9.0.21022.8" could not be found. Please use sxstrace.exe for detailed diagnosis.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
<System>
<Provider Name="SideBySide" />
<EventID Qualifiers="49409">33</EventID>
<Level>2</Level>
<Task>0</Task>
<Keywords>0x80000000000000</Keywords>
<TimeCreated SystemTime="2013-07-29T17:47:58.000000000Z" />
<EventRecordID>191879</EventRecordID>
<Channel>Application</Channel>
<Computer>NGWCOMP2</Computer>
<Security />
</System>
<EventData>
<Data>Microsoft.VC90.MFC,processorArchitecture="amd64",publicKeyToken="1fc8b3b9a1e18e3b",type="win32",version="9.0.21022.8"</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>C:\Windows\System32\BCMLogon.dll</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
<Data>
</Data>
</EventData>
</Event>
Thanks once again