Regsvr32 in Windows 11/10
Regsvr32.exe is included in Microsoft Windows and is either installed in the System32 (Windows NT/Windows XP/Windows Vista/Windows 7/Windows 8.1/Windows 10/Windows 11) folder.
Regsvr32 Command and Usage
- RegSvr32.exe command-line options:
- Parameters:
/u : It will unregister the file./s : Runs regsvr32 silently and does not display any message boxes./n : doesn’t call DllRegisterServer. This option should be used with /i./i :cmdline : It calls DllInstall passing it an optional [cmdline]. When used with /u, it calls dll uninstall.dllname: Specifies the name of the dll file that will be registered./n – Do not call DllRegisterServer or DllUnregisterServer; this option must be used with /i.
For example, to manually register and unregister a DLL file shm.dll, we can do the following in CMD:
regsvr32 shm.dll for registering a file.regsvr32 /u shm.dll for uninstalling a file.
Regsvr32.exe Error Messages
The following list contains RegSvr32 error messages and possible causes: On Windows 64-bit version you will find two versions of Regsv32.exe viz. the 64-bit version is in %systemroot%\System32\regsvr32.exe and the 32-bit version is in %systemroot%\SysWoW64\regsvr32.exe explains KB249873.
