Security Update for Windows Media Player (KB911564) is developed by Microsoft. The most popular versions of this product among our users are: 1.0, 4.0, 4.1, 6.4 and 9.0. The names of program executable files are asfindxr.exe, wmstreamedt.exe, WMProEdt.exe, wmenc.exe and wmeditor.exe. Works with asd file type. The product will soon be reviewed by our informers.