Error messageWarning: Parameter 1 to imagecache_profiles_file_validate() expected

Same here.

Try a current version hook_file_validate() has a right signature. There's a probability that some other contrib modules is broken

Sorry my bad.

dev versions works
(DLed through drush)

It's not another module. It is getting the call from the Drupal core module_invokeall().

The fix is to remove the "&" sign which is fine because you are passing an object so it is passed by reference without the need of the sign.

If you look at the core routine called by your routine imagecache_profiles_file_validate() with the very same variable the core uses a different definition for the variable.

Your definition:

function imagecache_profiles_file_validate(&$file) {

The core routine you call with the save variable:

function file_validate_image_resolution(stdClass $file, $maximum_dimensions = 0, $minimum_dimensions = 0) {

NOTE: No "&" needed.

Fix for anyone who needs it:
Change this line
function imagecache_profiles_file_validate(&$file) {
to:
function imagecache_profiles_file_validate($file) {
you could probably also make it:
function imagecache_profiles_file_validate(stdClass $file) {
which is almost certainly the correct way to do it, I just haven't analyzed it carefully so I am hesitant to say for sure.

This been fixed #1043360: Warning message and disappearing pictures

Another release upcoming