WampServer

i download wampserver 64bit with php5.4, i goes through all the steps.it works well up to installation php parameters and also got SMTP:localhost button and click on finish button, run application .it works for a few minutes installing then a message cropped up:Application error: Exception exception n module wampmanager.exe at OOF15AOO. my computer is 64bits Anyone can help
Forum: WampServer English