I do not know how, but a file was installed on my hard drive. Location: My Computer / Shared Documents File Name: IdentityCRL / Producer / (empty) As I said, I do not know at all how this damn file was installed on my hard drive. It's a real mystery because it appeared in March 2009 as that .... without my noticing it ... In conducting a review of my records that I recently learned of this issue. I do not know if this is related, but my computer crashes often for some time, I think it's at about this time (March 2009) that my problems are occurring. I would appreciate more information on this issue .... from which it ?....... Is it a virus ?...... Is it dangerous?