Missing dll error solution

Please read the instructions carefully before you download the dll file.Take the proper steps to safely clean and repair windows errors.

1. Where should this file go? After you download "*.Dll" on your machine, paste it in directory where it missing, and also copy it to

Windows 95, 98, ME C:\Windows\System
Windows NT, 2000 C:\WinNT\System32
Windows XP, Vista, 7, 8 C:\Windows\System32
64-bit Windows C:\Windows\System64

If you can't find windows directory try:
a. Press and hold Windows key on your keyboard, then press button R.
b. Enter the command "cmd" and press Enter
c. In a command window enter the command "set systemroot" and press Enter. It will display system directory.
2. Go to "start" ==> "run" and type "regsvr32 *.Dll" to register the file to the system.

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 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

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

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

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

Install OpenCL:

REGSVR32 OpenCL.dll

how to install dll file in xp using dos:

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