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From: Rodox on 5 Jan 2010 18:41
hi

try it pls enable win firewall , but off mode ;)

"Fly0055" wrote:

>
> Error code 0xC8000643 was countered while trying to get updates. This
> error code 0xC8000643 occurs when the download process of Windows Update
> has not been completed successfully. Some background programs are likely
> causing the issue. We can refer to the following steps to get the issue
> resolved.
>
> Step 1: Prepare a Clean Boot environment.
>
> ==================================
>
> 1. Click Start and Click Run, and in the "Open" line, type in
> "MSCONFIG" (without the quotation marks) and click OK.
>
> 2. Under the Service tab, check "Hide All Microsoft Services", and then
> click "Disable All" button. In this way, we can disable all the services
> which belong to third-party programs.
>
> 3. Under the Startup tab, click "Disable All" button.
>
> 4. Click OK.
>
> 5. Choose Yes to restart the computer.
>
> 6. Check "Don't show this message or launch the system configuration
> utility when Windows starts".
>
> Step 2: Reset Internet Explorer settings, and disable third-party
> Internet Explorer plug-ins.
>
> ===========================================================================
>
> 1. Click Start, Run, type: inetcpl.cpl and press Enter.
>
> 2. Select the General tab, and in the Temporary Internet files window,
> click Delete Cookies, and click OK.
>
> 3. In the same tab click Delete Flies, check the "Delete all offline
> contents" box and click OK.
>
> 4. Click "Clear History" and click Yes.
>
> 5. Click the Advanced tab.
>
> 6. Click the "Use HTTP 1.1" check box.
>
> 7. Click the "Use HTTP 1.1 through proxy connections" check box.
>
> 8. Click OK to confirm the changes.
>
> Step 3: Clean up Windows Update temporary folder
>
> ==========================
>
> Since the Windows Update temporary folders are used by Automatic
> Updates service and Cryptographic Services, we need stop Automatic
> Updates service and Cryptographic Services before we rename the two
> Windows Update folders. We can refer the following steps.
>
> 1. Click Start, Run, type: cmd and press Enter. Please run the
> following two commands one by one in the opened window.
>
> Net stop WuAuServ
>
> Net stop Cryptsvc
>
> 2. Click Start, Run, type: %windir% and press Enter.
>
> 3. In the opened folder, rename the folder SoftwareDistribution to
> Sdold.
>
> 4. Click Start, Run, type: "%windir%\System32"(without quotations) and
> press Enter.
>
> 5. Find the CatRoot2 folder, right-click on it, and select RENAME.
> Change the name to CR2OLD. Make sure you press Enter after typing in the
> new name, so the changes are executed.
>
> 6. Click Start, Run, type: cmd and press Enter. Please run the
> following two commands to start two services in the opened window.
>
> Net start WuAuServ
>
> Net start Cryptsvc
>
> Step 4: Visit the Windows Update site.
>
> ============================
>
> Open Internet Explorer, and click Tools-> Windows Update to install
> Windows Update from the website again.
>
>
> --
> Fly0055
> ------------------------------------------------------------------------
> Fly0055's Profile: http://forums.techarena.in/member.php?u=48853
> View this thread: http://forums.techarena.in/showthread.php?t=841395
>
> http://forums.techarena.in
>
>
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