Issues upgrading from 5.3.0 to 5.3.1 on Windows XP - Apache 2.2.14

Good day PHP Experts, I am currently running successfully Apache 2...2.14, PHP 5.3.0 VC6 Thread Safe on Windows XP SP3. When I install the upgrade to PHP 5.3.1 which is the current stable release with Apache 2.2.14 it will not start and I get the following error. The version of 5.3.1 is VC6 and Thread Safe. Apache HTTP Server Apache HTTP Server has encountered a problem and needs to close. The error data is on httpd.exe. szModName: php5ts.dll fault address 0x000e618c The Apache error log gives no clues. The Windows Event Logs give no clues. It will not start. I have uninstalled and reinstalled both Apache and PHP but it does not change anything. I don't see any bug issues on the php.net site. Any ideas??? Thank you for your time and help, John Sims