Kan inte uppdatera windows xp?

Thank you for contacting Microsoft Windows Update Support. My name is Vito, and I am glad to work with you. You can contact me directly by sending an email to my account: v-30vipa@mssupport.microsoft.com with the Case ID SRX1078141397 in the subject line.
 
From your description, I understand some updates cannot be installed such as Security Update for Windows XP with Windows Media Format Runtime 9.5 and 11 (KB941569) and Update for Windows Media Player 11 for Windows XP (KB939683). If I have misunderstood your concern, feel free to let me know.

I understand the inconvenience you have experienced. Please be assured that I will do my best to help you.

The error may occur if one of the following factors is true:
 
1. Update Agent 3.0 is not installed properly.
2. Some DLL files are corrupted.
3. Installer 3.1 is corrupted.
 
We will address some of the more common causes of this issue. It is important that we attempt to connect to the Windows Update web site after each step to confirm whether the resolution has worked. This will prevent us from having to proceed with additional troubleshooting steps and provide us with valuable feedback to further develop our support resolutions for you and our future customers. Your assistance is greatly appreciated.
 
NOTE: Some third party programs can also affect the Windows Update service. If you are running any third party applications such as Spyblocker, Internet or web accelerators (programs designed to boost the speed of the Internet connection), security or anti-virus programs (Norton, McAfee, etc.), I recommend we temporarily disable or shut them down and then try accessing the Windows Update site later. Please be sure to re-enable them after completing the update process.
 
Suggestion 1: Reinstall Windows Update Agent 3.0
=====================================
1. Please download the file from the following link:
http://download.windowsupdate.com/windowsupdate/redist/standa...
 
2. Save the file to "C: drive".
3. Click "Start", "Run", type: "C:\WindowsUpdateAgent30-x86.exe /wuforce" (without quotations) and then press "Enter" to install the Windows Update engine.
 
There is a space between "C:\WindowsUpdateAgent30-x86.exe" and "/wuforce".
 
Let’s now try Windows Update again and see if the issue has been resolved. Please let us know if this step has resolved it. If it has not, please proceed to the next step.
 
Suggestion 2: Register DLL files
=======================
By trying this step, we can check the update engines.
 
1. Close all instances of Internet Explorer.
2. Click "Start" and "Run", type "REGSVR32 ATL.DLL" (without quotations) in the open box and click "OK".
 
Note: There is a space between REGSVR32 and ATL.DLL
 
3. Register the files listed below:
 
REGSVR32 MSXML3.DLL
REGSVR32 WUAPI.DLL
REGSVR32 WUAUENG.DLL
REGSVR32 WUAUENG1.DLL
REGSVR32 WUPS2.DLL
REGSVR32 WUCLTUI.DLL
REGSVR32 WUPS.DLL
REGSVR32 WUWEB.DLL
REGSVR32 QMGR.DLL
REGSVR32 QMGRPRXY.DLL
REGSVR32 JSCRIPT.DLL
 
If you are using the Microsoft Update Site, please register the following files as well

REGSVR32 MUCLTUI.DLL
REGSVR32 MUWEB.DLL
 
Note: Please register all the files. While registering each .DLL file you should get a "succeeded" message. If any error message is encountered , please let me know the exact wording.
 
Let’s now try Windows Update again and see if the issue has been resolved. Please let us know if this step has resolved it. If it has not, please proceed to the next step.
 
Suggestion 3: Reinstall Windows Installer 3.1
=================================
1. Press "Start" and choose "Run".
2. Type in "cmd" (without quotations) and press "OK".
3. In the command line, type in the following command and press "Enter":
 
MSIexec /unregister
 
4. Then, type in the following command and press "Enter":
 
MSIexec /regserver
 
After completing  the above steps, please check the result again. If the issue persists, please click "Start", click "Control Panel", and click "Add or Remove Programs" to check if Windows Installer 3.1 has been installed. If it has, please highlight and remove it. After that, please reinstall Windows Installer 3.1 from the following link.
 
Windows Installer 3.1 Redistributable (v2):
http://www.microsoft.com/downloads/details.aspx?FamilyID=8894...
 
For more information, please refer to the following Microsoft Knowledge Base article:
 
Updates are not installed successfully from Windows Update, from Microsoft Update, or by using Automatic Updates after you repair a Windows XP installation
http://support.microsoft.com/kb/943144
 
If the above suggestions do not work, please re-enable the firewall and antivirus programs, and provide me with the following information for research.
 
How to collect System Information:
===========================
1. Click "Start", go to "Run", type in "MSINFO32" (without quotations) and press "Enter" to start System Information.
2. On the "System Information" window, on the menu bar, click "File", and click "Save as"; save it as an NFO file, such as "system.nfo" to your local Desktop.
3. Locate the file, right-click on it, click "Send To", and click "Compressed (zipped) Folder".
4. Please send it as an attachment to v-30vipa@mssupport.microsoft.com.
 
How to collect the Windows Update log file:
================================
Note: Since there are two Windows Update log files with similar names, please be aware that I am requesting the "WindowsUpdate.log" file without a space in the middle of the name.
 
1. Click on "Start", "Run" and type "WindowsUpdate.log" (without quotations).
2. Click on "OK". We will see a file named "WindowsUpdate.log".
3. Now click on the "File" menu and then click on the "Save As" and select "Desktop" in the "Save in" option on the top of the window.
4. Click on "Save". The file will be saved to your Desktop. Please send it as an attachment to v-30vipa@mssupport.microsoft.com.
 
However, if the file is unable to be collected by the above steps, we can also use the following method to collect it.
 
1. Click "Start", "Run", type: "%windir%" (without quotations) and then press "Enter".
2. In the open window, we will see a file named "WindowsUpdate.log".
3. Please send it as an attachment to: v-30vipa@mssupport.microsoft.com.
 
Note: When attaching files to emails, the process will vary depending on the email application being used. While you are composing the email, most applications will provide you with either an "Attach" button or a Paper Clip Icon to click in order to attach a file. After clicking this button/icon you must browse to the file you wish to attach and select it by either double clicking it or clicking it once and then clicking on the "Attach" button.
 
Please try my suggestion and let me know the results at your earliest convenience. If you have any other questions, please do not hesitate to let me know.

I await your response.

Vito Pang
v-30vipa@mssupport.microsoft.com
Microsoft Windows Update Support Professional
 
Satisfied customers are my #1 priority!
Please let either myself or my manager know what you think of the level of service provided. You can send feedback directly to my manager, Charles Zhang at v-30chzh@mssupport.microsoft.com.
 
Windows Live OneCare: http://go.microsoft.com/?linkid=4416252
Give your computer continuous antivirus and firewall protection, along with regular tune-ups and back-ups to maintain its performance.