Try this

来源: 于 2011-05-29 15:42:10 [旧帖] [给我悄悄话] 本文已被阅读：次

Type cmd in the start search field, in the command prompt window, enter......

regsvr32 vbscript.dll


Press enter on the keyboard. you'll see that message: DllRegisterServer in vbscript.dll succeeded.

Click OK and try to installing iTunes one more time.