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I had installed Office Professional 2007 on my system running windows vista. However, i am not able to instal below updates:
KB934670
KB934062
KB934393
KB934655
KB934173
I get error 57A, there is no other information with the error. I have tried downloading all the mentioned updates manually but no luck, i get the same error. Is anyone aware of this error??
I was getting the same error message for KB934393, KB934655 and KB934173 but later after carrying out some suggested troubleshooting i found that my account had some problem in accessing RegKeys below HKEY_LOCAL_MACHINE\SOFTWARE \Microsoft\Internet Explorer\MAIN\FeatureControl.
After taking the ownership of the RegTree and setting the rights for System Account.I was able to install all the updates without any issue. I think you are running in to same case. Just try out what i have mentioned and let me know if that helps.
Best of luck.