This is real time scanner doing this correct when you try to use the file. There is no exclusion list for RTS
You need to get teh file tested and whitelisted so
Submit the file
when you get the auto reply reply to it and in subject say false +ve and name of virus detection.
In body of message say why you think the file is OK.
Post back the analysis Id number and I will chase it up with a tech if no reply in 2 days