DllRegisterServer failed with error code 0x80004005 in windows Vista

Introduction

This is simple and very important tips, who are using windows vista operating system. because when you are try to  register dll may be you also face this issue.let' say,i was try to  register a dll with command prompt in Vista but error message prompt  ".. DllRegisterServer failed with error code 0x80004005 ....".The error window like below, 

Solution

Finally i found out that is because of security issue. To solve this,
Go to Start --> All Programs --> Accessories, right-click Command Prompt, and then click Run as Administrator

Then use regsvr32 to register the DLL.

It's work.