IE9 64 bit can be trouble. I'd use something else.
I have been through several forums looking for solutions to this problem. Windows Vista 32 bit using IE9 stopped displaying videos. I am asked to download latest version of Adobe Flash each time. I have downloaded it several times from sevaral different links including directly from Adobe website. I get a succesful intsall message each time. It does not show up in my Add-ons during normal mode, it does show up in safe mode. Anyone no the answer?