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WU update 643 error w/C++ 2005 redistributable
I have Win 7 Pro, and started getting a Windows Update advisory that I need the security update for C++ runtime redistributable. I've never been able to get it to install, as Win7 WU gives error 643. I cleaned up .NET using the tool, but it doesn't seem to help. What's odd is that, after using Control Panel to remove the runtime (because it didn't seem to be needed, and I thought I could always reinstall it from the release package, if something complained about its absence), WU continues to insist that it needs to be updated. I guess WU's detecting a file that triggers the alert. I disabled the update. How can I get this fixed? Thanks.