I have vista os, when you perform the update of windows, it will fail to load 4 updates and get code error 646. How to solve?

error 646 when windows update, fails to 4 updates. Using vista OS. Help

Hi cjvtex,

Welcome to the Microsoft Answers site!

This problem occurs when the Windows Update Wups2.dll agent file is incorrectly registered in the register. Because registry files that match
to the Wups2.dll file are missing, update facilities are unsuccessful. Follow the steps mentioned below to resolve this issue.

Save the Windows Update files

1. Click Start and type notepad in the box start the search.

2. click on Notepad in the list programs.

3. copy the following commands, and then paste them into the opened Notepad window:

REGSVR32 WUPS2. DLL/S

REGSVR32 STINKS. DLL/S

REGSVR32 WUAUENG. DLL/S

REGSVR32 WUAPI. DLL/S

REGSVR32 WUCLTUX. DLL/S

REGSVR32 WUWEBV. DLL/S

REGSVR32 JSCRIPT. DLL/S

REGSVR32 MSXML3. DLL/S

1. in Notepad, on the file menu, click Save as.

2. in the file type list, click all files.

3. in the file name box, type register.bat.

4. save the Register.bat file to your desktop.

5 right-click the Register.bat file, and then click Run as administrator. If you are prompted for an administrator password or confirmation, type
the password or click on continue.

6. try to install the updates again.

Access this link to thread for more solutions and ideas to resolve the error 646. It can be very useful for you:

http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/6e716883-7af4-4A9F-8665-2f4dd57eee8d  

Kind regards
Amal-Microsoft Support.
Visit our Microsoft answers feedback Forum and let us know what you think.

Tags: Windows

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