This chicken dish wrote a ocx component (video plug-in), IE browser under some computers can, some computer doesn't work, I write ocx plug-in didn't do a digital signature, digital signature software tens of thousands a year, the boss to pay), I don't know IS what reason, which has achieved IObjectSafety interface components, can't normal load of Internet explorer IS the IE 11.0.9600.19356 IS Windows 7, IE set the block has been in accordance with the online search, to allow normal operation of unsigned Activex component loading, but still won't do, want to know why the friend told the reason,