I'm trying to download the updates to my computer, but can't. I get the error code 646 and the download fails. I tried to download the update several times, but get the same answer. What is the problem?

Ideas: I'm trying to download the updates to my computer, but can't. I get the error code 646 and the download fails. I tried to download the update several times, but get the same answer. What is the problem?

  • Pragrams you have problems with
  • Error messages
  • Recent changes to your computer
  • What you have already tried to solve the problem

Remember - this is a public forum so never post private information such as numbers of mail or telephone!

Hello

Try this 1st to see if it helps, and it should:

Description of the Patch registration cleanup tool
http://support.Microsoft.com/kb/976220/

------------------------------------------------------

If necessary :

Try this - Panel - Windows Updates - on every update that will not be installed - click on the important updates
or the update itself - double click a view more information (or click top then discovers on the right)

Those who will take you to a page where you can download the update.

Or go here and the KBxxxxxx number to download it.

Download Center - mount the KBxxxxxx.

Microsoft Download Center
http://www.Microsoft.com/downloads/en/default.aspx

Download - SAVE - go to where you put them - click on - RUN AS ADMIN

Then you can right click on the update in the updates Windows and HIDE.

If you get an error Installer install this version:

Windows install 4.5 Redistributable
http://www.Microsoft.com/downloads/details.aspx?FamilyId=5A58B56F-60B6-4412-95B9-54D056D6F9F4&displaylang=en

----------------------------------------------------

Then run this:

How to reset the Windows Update components? -a Mr Fixit
http://support.Microsoft.com/kb/971058

Description of the system for Windows Vista, Windows Server 2008, update tool and
for Windows 7
http://support.Microsoft.com/kb/947821

------------------------------------------------------------
Because these are all Office updates you might get more information if necessary in the Agency of those groups that
may have experienced the same problem.

Office newsgroups
http://www.Microsoft.com/Office/Community/en-us/FlyoutOverview.mspx

Microsoft.public.office.misc discussions
http://www.Microsoft.com/communities/newsgroups/list/en-us/default.aspx?DG=Microsoft.public.Office.misc&cat=en_us_01cb749f-c998-4762-8099-df71793c11c7&lang=en&CR=us

------------------------------------------------------------

If necessary you can incident free get reports however the above should take care of it for you.

Windows updates - free Incident report

Go here and click on-> Windows Update fails while searching, downloading or installation of updates
http://support.Microsoft.com/GP/wusupport#tab3

The security updates, you can get free support Incident report
http://www.Microsoft.com/protect/resources/support.aspx

I hope this helps.
Rob - bicycle - Mark Twain said it is good.

Tags: Windows

Similar Questions

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    I get the same error and it took me a while to find a way to remedy.   I don't know if it works for you, but I had to go to user accounts and disable user account control.  Control of this account was preventing the update to settle.  Alternatively, you can manually install the updates if you do not want to disable user account control.

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    tinalei,

    read the problems known in this page, they explain what to do. There is a link to a fix the article. http://support.Microsoft.com/kb/2258121

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    http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/f3390e74-9961-4AAE-8a05-554c1a9cf1a2

    Read the info on the above link to error Code 646.

    With the compliments of: David_O - Support Engineer

    This problem occurs when the agent Windows Update Wups2.dll file is incorrectly registered in the registry. Because registry files that correspond to the Wups2.dll file are missing, update facilities have failed. There are two methods to resolve this issue, use method 1 first, and if it did not resolve your issue, go to method 2

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

    2. click on Notepad in the programs list.

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

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    REGSVR32 WUAUENG. DLL/S
    REGSVR32 WUAPI. DLL/S
    REGSVR32 WUCLTUX. DLL/S
    REGSVR32 WUWEBV. DLL/S
    REGSVR32 JSCRIPT. DLL/S
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    1. in Notepad, on the file menu, click on record under.

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    5 right-click the Register.bat file, and then click run as administrator. Reduce this includes this imageIf you are prompted for an administrator password or a confirmation, type the password or click continue.

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    Method 2: Download and install Windows Update agent

    For more information about how to download and install the latest Windows Update agent, click on the number below to view the article in the Microsoft Knowledge Base:

    949104

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    If the above does not help:

    You will get the best help for any problem of Update/Service Pack update Vista Forum; the link below:

    http://social.answers.Microsoft.com/forums/en-us/vistawu/threads

    When you repost here, kindly include this error Code, and exactly what is happening when you try to update.

    In this way, you will receive the best help.

    See you soon

    Mick Murphy - Microsoft partner

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    http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/f3390e74-9961-4AAE-8a05-554c1a9cf1a2

    Read the info on the above link to error Code 646.

    With the compliments of: David_O - Support Engineer

    This problem occurs when the agent Windows Update Wups2.dll file is incorrectly registered in the registry. Because registry files that correspond to the Wups2.dll file are missing, update facilities have failed. There are two methods to resolve this issue, use method 1 first, and if it did not resolve your issue, go to method 2

    Method 1: Save the Windows Update files

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

    2. click on Notepad in the programs list.

    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 on record under.

    2. in the list record under , 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. Reduce this includes this imageIf you are prompted for an administrator password or a confirmation, type the password or click continue.

    6. try to install the updates again.

    Method 2: Download and install Windows Update agent

    For more information about how to download and install the latest Windows Update agent, click on the number below to view the article in the Microsoft Knowledge Base:

    949104

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    If the above does not help:

    You will get the best help for any problem of Update/Service Pack update Vista Forum; the link below:

    http://social.answers.Microsoft.com/forums/en-us/vistawu/threads

    When you repost here, kindly include this error Code, and exactly what is happening when you try to update.

    In this way, you will receive the best help.

    See you soon

    Mick Murphy - Microsoft partner

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    Try this for your error Code 646 and read ALL the messages/solutions to your problem on the link below:

    http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/f3390e74-9961-4AAE-8a05-554c1a9cf1a2

    Read the info on the above link to error Code 646.

    With the compliments of: David_O - Support Engineer

    This problem occurs when the agent Windows Update Wups2.dll file is incorrectly registered in the registry. Because registry files that correspond to the Wups2.dll file are missing, update facilities have failed. There are two methods to resolve this issue, use method 1 first, and if it did not resolve your issue, go to method 2

    Method 1: Save the Windows Update files

    1. clickStart and type notepad in the box start the search .

    2. click onNotepad in the programs list.

    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 thefile menu, click on record under.

    2. in the listrecord under , click all files.

    3. in thefile name box, type register.bat.

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

    5 right-click the Register.bat file, and then clickrun as administrator. Reduce this includes this imageIf you are prompted for an administrator password or a confirmation, type the password or clickcontinue.

    6. try to install the updates again.

    Method 2: Download and install Windows Update agent

    For more information about how to download and install the latest Windows Update agent, click on the number below to view the article in the Microsoft Knowledge Base:

    949104

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    Error 643:

    http://support.Microsoft.com/kb/923100/

    "When you try to install an update for .NET Framework 1.0, 1.1, 2.0, 3.0 or 3.5, you may receive Windows Update '0 x 643' error code or error code Windows install"1603"

    Visit the Microsoft Solution Center and antivirus security for resources and tools to keep your PC safe and healthy. If you have problems with the installation of the update itself, visit the Microsoft Update Support for resources and tools to keep your PC updated with the latest updates.

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    If the above does not help:

    You will get the best help for any problem of Update/Service Pack update Vista Forum; the link below:

    http://social.answers.Microsoft.com/forums/en-us/vistawu/threads

    When you repost here, kindly include this error Code and exactly what is happening when you try to update.

    In this way, you will receive the best help.

    See you soon.

    Mick Murphy - Microsoft partner

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    Try this for your error Code 646 and read ALL the messages/solutions to your problem on the link below:

    http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/f3390e74-9961-4AAE-8a05-554c1a9cf1a2

    Read the info on the above link to error Code 646.

    With the compliments of: David_O - Support Engineer

    This problem occurs when the agent Windows Update Wups2.dll file is incorrectly registered in the registry. Because registry files that correspond to the Wups2.dll file are missing, update facilities have failed. There are two methods to resolve this issue, use method 1 first, and if it did not resolve your issue, go to method 2

    Method 1: Save the Windows Update files

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

    2. click on Notepad in the programs list.

    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 on record under.

    2. in the list record under , 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. Reduce this includes this imageIf you are prompted for an administrator password or a confirmation, type the password or click continue.

    6. try to install the updates again.

    Method 2: Download and install Windows Update agent

    For more information about how to download and install the latest Windows Update agent, click on the number below to view the article in the Microsoft Knowledge Base:

    949104

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    If the above does not help:

    You will get the best help for any problem of Update/Service Pack update Vista Forum; the link below:

    http://social.answers.Microsoft.com/forums/en-us/vistawu/threads

    When you repost here, kindly include this error Code, and exactly what is happening when you try to update.

    In this way, you will receive the best help.

    See you soon.

    Mick Murphy - Microsoft partner

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    http://social.answers.Microsoft.com/forums/en-us/vistawu/thread/f3390e74-9961-4AAE-8a05-554c1a9cf1a2

    Read the info on the above link to error Code 646.

    With the compliments of: David_O - Support Engineer

    This problem occurs when the agent Windows Update Wups2.dll file is incorrectly registered in the registry. Because registry files that correspond to the Wups2.dll file are missing, update facilities have failed. There are two methods to resolve this issue, use method 1 first, and if it did not resolve your issue, go to method 2

    Method 1: Save the Windows Update files

    1. clickStart and type notepad in the box start the search .

    2. click onNotepad in the programs list.

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    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 thefile menu, click on record under.

    2. in the listrecord under , click all files.

    3. in thefile name box, type register.bat.

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

    5 right-click the Register.bat file, and then clickrun as administrator. Reduce this includes this imageIf you are prompted for an administrator password or a confirmation, type the password or clickcontinue.

    6. try to install the updates again.

    Method 2: Download and install Windows Update agent

    For more information about how to download and install the latest Windows Update agent, click on the number below to view the article in the Microsoft Knowledge Base:

    949104

    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    http://support.Microsoft.com/default.aspx/KB/923100/

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    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    If the above does not help:

    You will get the best help for any problem of Update/Service Pack update Vista Forum; the link below:

    http://social.answers.Microsoft.com/forums/en-us/vistawu/threads

    When you repost here, kindly include this error Code and exactly what is happening when you try to update.

    In this way, you will receive the best help.

    See you soon.

    Mick Murphy - Microsoft partner

    .

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    merly888,

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    Ideas:

    • When you install the 2007 Microsoft Office Suite Service Pack 2 (SP2), I still received the error code 646... I tried to download the RegCure as advised, but the problem still exists... Please help me with this problem... Thank you

    I tried to download the RegCure as advised, but the problem still exists...

    Who advised you to 'download... '. RegCure? Doing so could only worse issues! If you ever think that your registry database must be cleaned, repaired, boosted or optimized (it isn't), read http://aumha.net/viewtopic.php?t=28099 and draw your own conclusions.

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