c4.dll:

c4.dll, C:\WINDOWS\system32, C:\Windows\SysWOW64\ Microsoft Dynamic-link library

c4.dll ?

2. CMD
3. : regsvr32 c4.dll Enter

RegSvr32.exe :

Regsvr32 [/u] [/n] [/i[:cmdline]] c4.dll

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

Snappy Driver Installer

:

:

concrt140.dll chrome_elf.dll CryEA.dll CardGames.dll clr.dll cl.dll cygwin1.dll ci.dll c2rui.dll capicom.dll CREDUI.dll CABINET.dll cryptbase.dll cab.dll CefSharp.dll cryptsp.dll CORE_RL_wand_.dll c4dll.dll CADImage.dll CFNetwork.dll c1xx.dll ca.dll c1.dll cairo.dll c2.dll CabLib.dll CABRK.dll c4dll-r.dll chrome_watcher.dll CddbWOManagerWinamp.dll