sa.dll:

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

sa.dll ?

2. CMD
3. : regsvr32 sa.dll Enter

RegSvr32.exe :

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

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

Snappy Driver Installer

:

:

skidrow.dll steam_api.dll Stub.dll synsoacc.dll sbavmon.dll sysfer.dll solidworks.dll SDL2.dll sbavmonl.dll SetupUi.dll SteamUI.dll SCRRUN.dll SynCOM.dll steamclient.dll SDL.dll sx32w.dll sysmain.dll SHCore.dll strgene.dll sigc-2.0.dll sechost.dll sspicli.dll SFC.dll SbieDll.dll Startupscan.dll shutil.dll SPBasic.dll SyncEngine.dll SWCUEngine.dll SMWDMIF.dll