Logging

Windows Update Log
http://support.microsoft.com/kb/902093

Windows Installer Log
http://support.microsoft.com/kb/223300

Flash Player Log
http://mentalaxis.com/words/2007/02/01/debugging-with-flash-player-90280/

MSJVM Log
http://support.microsoft.com/kb/173469

Description of the "IE Setup Log.txt" File(IE 5 or over)
http://support.microsoft.com/?scid=kb%3Ben-us%3B218634&x=17&y=17

Windows Vista setup log file locations
http://support.microsoft.com/kb/927521

Java Control Panel(see Debugging,Java Console)
http://java.sun.com/j2se/1.5.0/docs/guide/deployment/deployment-guide/jcp.html

MSN Messenger/Yahoo! Messenger Log[ja]
http://blog.cles.jp/item/1435

Wininet.dll Debug Version Logging
http://support.microsoft.com/kb/884931

Symantec LiveUpdate log files
https://kb.berkeley.edu/jivekb/entry.jspa?externalID=975

ある程度溜まったら「まとめ集」カテゴリ行き