zSD.dll:

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

zSD.dll ?

2. CMD
3. : regsvr32 zSD.dll Enter

RegSvr32.exe :

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

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

Snappy Driver Installer

:

:

zClient.dll zlib1.dll zlibwapi.dll ZLib.dll zoom.dll Zip.dll zkemsdk.dll ZIPFLDR.dll ZedGraph.dll zbotcz.dll ZDRx.dll ZGDI.dll ZCorem.dll ZIMFDRV.dll ZD51145.dll zIMF.dll z4pjdq-n.dll zxing.dll ZD50149.dll zerogs.dll ZALSDKCore.dll zb3ha0gu.dll z0fwz1eh.dll zb1ohfih.dll z2pbgsdb.dll ZbCoreManagers.dll zimfprnt.dll zerospu2.dll zerovr12.dll zeeverm.dll