vista 5456 installation failed maybe bugs this veriosn

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

Use the private forums for those allowed to test interm builds... these forums are for the public release only.
"navidev" wrote in message

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