[Vancouver]

"Logon process Initialization Failure. Interactive logon process initialization has failed. Please consult the event log for more details." go to repair (press F8 immediately after starting and select first choice), then go to command prompt from repair window. The same window can be found via Vista installation DVD. Then copy x:\Windows\WinSxS\manifests\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.6000.16386_none_5d07289e07e1d100.manifest to C:\Windows\WinSxS\manifests\x86_microsoft.windows.common-controls_6595b64144ccf1df_6.0.6000.16386_none_5d07289e07e1d100.manifest restart and wait a bit.

Пробуйте по аналогии.