Empower Information Systems

At Empower we often get questions about registering and unregistering dll’s. Therfore, we have posted below the syntax and usage of REGSVR32, the command that contols the resister and un register of dll’s.

REGSVR32

Register or unregister a DLL.

Syntax
      REGSVR32 [/U] [/S] [/C] [/I:[Command_Line]] DLL_Name

      REGSVR32 [/U] [/S] [/C] /N /I:[Command_Line] DLL_Name

Key
  
   /u          Unregister Server.
   /s          Silent - no dialogue boxes.
   /c          Console output.
   /n          Don’t call DllRegisterServer
   /i          Call DllInstall (or DllUninstall if /u is specified)

Command_Line An optional command line for DllInstall
Examples

Unregister (disable) XP Zip folders
REGSVR32 /u C:\Windows\System32\zipfldr.dll

Unregister (Disable) CAB file viewer:
REGSVR32 /u C:\Windows\System32\cabview.dll

Register (enable) XP Zip folders
REGSVR32 zipfldr.dll

Register (enable) CAB file viewer:
REGSVR32 cabview.dll

Register Windows Update DLLs (for those times when XP repair breaks Windows Update)
regsvr32 /s wuapi.dll
regsvr32 /s wuaueng1.dll
regsvr32 /s wuaueng.dll
regsvr32 /s wucltui.dll
regsvr32 /s wups2.dll
regsvr32 /s wups.dll
regsvr32 /s wuweb.dll

Register DAO 3.6 (Data Access Objects):

REGSVR32 “C:\Program Files\Common Files\Microsoft Shared\DAO\DAO360.DLL”