heres a partial log.
92.373: DoInstallation: Installing assemblies with source root path: c:\b55046dc33f8fecb1c7e1ccc11b5\
92.373: Num Ticks for Copying files : 21701
100.735: DoRegistryUpdates:UpdSpInstallFromInfSection Failed for ProductInstall.GlobalRegistryChanges.Install error: 0x5
100.735: INF_REGISTRY Failed
100.775: Access is denied.
100.815: Internet Explorer 7 installation did not complete.
Select 'OK' to undo the changes that have been made.
100.815: Starting process: C:\WINDOWS\ie7\spuninst\spuninst.exe /~ -q -z
151.528: Software Update Rollback has completed with return code 0xbc2. This rollback requires a reboot.
151.528: Internet Explorer 7 installation did not complete.
Internet Explorer 7 has been partially updated and may not work properly.
151.528: Update.exe extended error code = 0x5