The Complete Guide to REGSVR Commands and Uses

To fix Regsvr32 errors in Windows, you generally need to run the Command Prompt as an administrator, match the bit-architecture of the DLL file with the correct version of Regsvr32, or repair corrupted system files. 1. Run Command Prompt as an Administrator

The most frequent cause of Regsvr32 errors (such as error codes 0x80070005 or 0x5 – “Access is Denied”) is a lack of local administrative permissions.

Press the Windows Key, type cmd, and right-click Command Prompt. Choose Run as administrator. If prompted by User Account Control (UAC), click Yes.

Try running your command again. For example: regsvr32 yourfile.dll. 2. Fix 32-bit vs. 64-bit Architecture Conflicts

If you are on a 64-bit version of Windows and try to register a 32-bit DLL file using the standard Regsvr32 command, you will get a “Module failed to load” or compatibility error. Windows separates these components into two different directories:

For 64-bit DLLs: Use the default tool located in C:\Windows\System32\regsvr32.exe.

For 32-bit DLLs: You must explicitly call the tool located in the SysWOW64 directory. Open an elevated Command Prompt and type:

%systemroot%\SysWoW64\regsvr32.exe “path_to_your_32bit_file.dll” Use code with caution. 3. Run SFC and DISM Scans