SBS2003 Exchange 2003 sp2 install error

When trying to install Exchange 2003 sp2 on my SBS2003 box, at the Microsoft Exchange Messaging and Colloboration Services progress approx 80% through overall, I get the error:

Runtime Error!
Program: C:\Windows\system32\MsiExec.exe

An applicatoin has made an attempt to load the C runtime library incorrectly.

click OK

Then I get:

Microsoft Exchange Installation Wizard

Setup failed while installing sub-component Exchange ActiveSync with error code 0xC0070643

I have tried the resolution from

but could not determine my working version of msxml I tried copying msxml6 and msxml3 but did not work.

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Cyber_JunkieConnect With a Mentor Author Commented:
Tried msxml6, didn't work.  Resolution was to download msxml3 sp7, Install and copy.  Exchange 2003 sp2 install completed with no errors...rebooting now.
try to download MSXML6.msi from here :

then go to the /program files/exchsrvr/bin and replace msxml3.msi and with msxml6.msi
after replacing the file try again your setup
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i saw some solutions also talking about replacing another versions, i think i depends on your OS and OS updates and the version of you Exchange, anyway the idea is the same...
Cyber_JunkieAuthor Commented:
Resolution was correct.  Others had same concept.
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