Open File Security Warning Prompt at Start-up

Intel chipset :
C:\Windows\system32\igfxtray.exe etc

The problem is caused by downloading an exe file with IE that adds a Zone Identifier.


To check that it's a zone.identifier caused by downloading the file with IE type :

dir /r C:\WINDOWS\system32\igfxtray.exe

where /r :
  /R          Display alternate data streams of the file. 
and you should see something like ZoneIdentier NTFS data stream

To remove the zone right click the file select properties and select Unlock.

Streams utility can scan and remove the Zone.Identifier 

You can either scan all the Windows folder or the C: drive with the command :

Streams.exe /s C:\Windows 

Remove the zone with :

Streams /d C:\WINDOWS\system32\igfxtray.exe