I reformatted and partitioned a computer into three partitions and reloaded Windows XP Pro. The first and third partitions are both fine and complete and all downloaded and installed Microsoft updates. The second partition downloaded and installed all updates except for the last four (IE7, Malicious software removal, security update KB951748, and Update for Windows XP KB951978 ((don't know if those numbers were important for you to identify the problem or not)). It downloaded them, but will not install.
I get message: "A problem on your computer is preventing updates from being downloaded or installed." The only difference on this partition is that I had to load the OS twice as I lost internet access the first time in the middle of downloading these same updates and could not get it back, even after reloading all the drivers. I do have internet access now. In case it is important, I have Symantec antivirus corporate 10 on all three partitions. I don't know where else to look to see what might be blocking it. Thanks!