REGSVR32

Register or unregister a DLL.

Syntax
      REGSVR32 [/U] [/S] [/N] /I:[CommandLine] DLL_Name

Key
   /u          Unregister Server.

   /s          Silent, do not display dialogue boxes.

   /i          Call DllInstall to register the DLL.
               (when used with /u, it calls dll uninstall.)

   /n          Do not call DllRegisterServer, you must use this option with /i. 

  CommandLine  An optional command line for DllInstall

   /c          Console output (old versions only).

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"

“I was planning to go into architecture. But when I arrived, architecture was filled up. Acting was right next to it. So I signed up for acting instead” ~ Tom Selleck (on his college registration experience)

Related:

Delsrv - unregister a service with the Services Control Manager. (Win 2K ResKit)
MSIEXEC - Microsoft Windows Installer
RUNDLL32 - Run a DLL command
Q249873 - Regsvr32 usage and error messages


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