I'm trying to install Vista Home Premium SP2 via Windows Update, but then\nquickly it says that "installation is successful" and it does -not- update\nto SP2 (control panel still shows SP1) and then the SP2 re-appears in the\nWindows Update.\n\nSo I tried going to the Microsoft download site and attempted to install the\nstandalone Vista SP2. I receive a dialog with "an unknown error has\noccurred: 0x800f0823."\n\nI found several other people have the exact same problem, and no solution.\nIs Microsoft going to issue a patch to fix this bug?? System file checker\nvia command prompt shows good system file integrity. This system is really\nclean, not many apps installed other than the Vista and some basic programs.\nSo maybe Microsoft can address the goof up?