PROBLEM: cannot load mcrypt extension. please check your php configuration
I have done as suggested at
http://ca3.php.net/manual/en/mcrypt.setup.php and copied libmcrypt.dll from F:\wamp\bin\php\PHP52~1.8 to C:\WINDOWS\system32 . This did not work on it's own. I found other advice as follows at this forum and now mcrypt is working.
OTHER ADVICE: (not exactly as from other contributor, but found my way from there..)
Go to F:\wamp\bin\php\PHP52~1.8\php.ini
change ;extension=php_mcrypt.dll
to extension=php_mcrypt.dll
(ie. remove ; )
now go to the following 2 files and do the same:
F:\wamp\bin\php\PHP52~1.8\phpForApache.ini
F:\wamp\bin\apache\APACHE~1.11\bin\php.ini
Please adjust the directory location per your own installation.
Lesson again is you got to look around. so many different situations! custom, custom..