Originally posted on stackoverflow, but I think it'd be more appropriate here.
Needed Finfo but deleted msi package, so uninstalled php 5.3.0, downloaded 5.3.2 and installed. Now all my sites have spurious errors and execution time outs. Originally updated with VC9 build but then realised error and updated with VC6 (with same problem).
Warning: PDO::__construct() [pdo.--construct]:  A connection attempt failed because the connected party did not (trying to connect via tcp://localhost:3306) in ...Core.php on line 60