1. Stop apache 2. Change WinXP time zone to GMT+2 Jerusalem 3. Restart Apache The process hangs with message regarding error in libhttpd.dll or in libapr-1.dll More information is in http://www.technologyquestions.com/technology/windows-xp/235968-apache-http-server-crashs-xp-sp3-time-zone-set-gmt-n.html
The following Microsoft patch for Windows XP (KB951072) seems to fix this issue: http://support.microsoft.com/kb/953917
From the looks of the list of affected products, this does not appear to be an Apache problem. Marking FAQ for quick reference.