From the distance this is more or less impossible to say - as you do not supply that file for others to investigate.
But what you could do straightaway: check the file for problems.
See this thread for links to checking tools:
From the distance this is more or less impossible to say - as you do not supply that file for others to investigate.
But what you could do straightaway: check the file for problems.
See this thread for links to checking tools: