Try this utility for blocking Flash in IE:
http://www.bbshare.com/noflash
or use this trick to block flash in IE!
Create a file in Notepad called "disableflash.reg" with the 4 lines of text shown between the lines below.
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Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{D27CDB6E-AE6D-11CF-96B8-444553540000}] "Compatibility Flags"=dword:00000400 --------------------------------------------
Create a file in Notepad called "enableflash.reg" with the 3 lines of text shown between the lines below.
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Windows Registry Editor Version 5.00
[-HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\ActiveX Compatibility\{D27CDB6E-AE6D-11CF-96B8-444553540000}] --------------------------------------------
For disabling flash execute “disableflash.reg� and for enabling run “enableflash.reg�. You can make shortcuts to these files and then copy those into IE's Favorites menu, or Links toolbar. Now you've got an in-browser way to turn Flash on and off.