vista 5456 installation failed maybe bugs

vista 5456 installation failed, maybe bugs

I have a ibm T40 laptop with 1G ram and two harddisks, I had installed vista beta2 on my second harddisk and it works fine, but when I install vista 5456 , the installaion is failed with error code 0x1000008e and driver mountmgr.sys. help me pls, thanks

Windows Vista

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