itdownload.dll:

itdownload.dll, C:\WINDOWS\system32, C:\Windows\SysWOW64\ Microsoft Dynamic-link library

itdownload.dll ?

2. CMD
3. : regsvr32 itdownload.dll Enter

RegSvr32.exe :

Regsvr32 [/u] [/n] [/i[:cmdline]] itdownload.dll

/n -  /i
/s – 
/u - 
/i -  [cmdline];  /u, 

Snappy Driver Installer

:

:

isdone.dll IMSLib.dll iTunesMobileDevice.dll IPHLPAPI.dll ICSharpCode.SharpZipLib.dll ijl15.dll iswin7logo.dll ieframe.dll irrklang.dll itextsharp.dll ISRT.dll INITPKI.dll I.dll iChat.dll IEShims.dll IccLibDll.dll iwmssvc.dll iusb3mon.dll I18N.CJK.dll ImHttpComm.dll I18N.West.dll i18n.dll.dll i18nu.dll i3SoundDx.dll i3guidx.dll i4jinst.dll i81xdnt5.dll i3mathdx.dll i3gfxdx.dll i7n7sox9.dll