It happens to me on Windows also, and the particular copy I was using is my sandboxed Chrome with no plugins (for sites I'm not sure of). It happened as the pag

It happens to me on Windows also, and the particular copy I was using is my sandboxed Chrome with no plugins (for sites I'm not sure of). It happened as the page was loading, I immediately got a DL requestor, and the same warning message. That pretty much had me closing the window ASAP.