From :
http://support.microsoft.com/kb/900325
" Note To install this update, you must have Microsoft .NET Framework
1.1 and .NET Framework 1.1 SP1 installed. Windows Update detects whether
these packages are installed. Windows Update automatically installs
these packages for you.
If the 886904 update is installed, you must uninstall the 886904 update
before you install Update Rollup 2 for Microsoft Windows XP Media Center
Edition 2005. Otherwise, the .NET Framework 1.1 SP1 installation will
not succeed.
To determine whether the 886904 update is installed, follow these steps:
1. Click Start, click Run, type appwiz.cpl, and then click OK.
2. Click to select the Show Updates check box.
3. In the Currently installed programs list, look for the following item:
Microsoft .NET Framework 1.1 Hotfix (KB886904)
If this item appears, you must remove the hotfix. To remove the hotfix,
click Microsoft .NET Framework 1.1 Hotfix (KB886904), and then click
Remove. Then, visit the Windows Update Web sit to download and install
Update Rollup 2 for Windows XP Media Center Edition 2005. "
See it that resolves the installtion issue.
MowGreen [MVP 2003-2006]
===============
*-343-* FDNY
Never Forgotten
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cheenu wrote:
> i am unable to install after downloading the "update rollup 2 for windowsxp
> mediacentre edition2005", installation fails with error code 0x643