Uncomment the lines extension=pdo_pgsql.so and e xtension=pgsql.so in php.ini . Copy libpq.dll from C:\wamp\bin\php\php5.*\ into C:\wamp\bin\apache*\bin and restart all services through the WampServer interface.
Run registry and delete everything under HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace Right click HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer\Desktop\NameSpace , Permission. Select Deny for Everyone.