[Solved] PHP uploade problem (invalid file)

Could you post a screenshot of the error? There are 4 error messages that start with "Invalid file".

102 : 'Invalid file or folder name.',
105 : 'Invalid file extension.',
202 : 'Invalid file.',
203 : 'Invalid file. The file size is too big.',

Thanks for the quick reply, let me know the following: operating system, browser version and the exact version of flash.

Did you try CKFinder on PHP 5.3.5 on exactly the same computer/browser?

Just to confirm, on both computers, uploads on PHP 5.3.5 work fine, and on PHP 5.2.17 (linux – apache) file uploads are not working?

Could you disable flash uploads?
http://docs.cksource.com/ckfinder_2.x_a ... ovePlugins
and check whether file uploads will start working on PHP 5.2.17?

In config.js in the CKFinder folder change the configuration to end up with something like:

CKFinder.customConfig = function( config )
{
  config.removePlugins ='flashupload';
};

and clear browsers cache. After you do that, after clicking the "Upload" button in CKFinder, instead of the flash component, you should see a simple upload form.

If the simple upload form will show up, please try uploading a file and let me know if it failed in PHP 5.2.17.
This will help me in understanding whether this problem has anything to do with the flash uploader, or not.

Thanks in advance.

Below is the screenshot of the "simplified" upload form, after disabling flash uploads.

Hum, interesting... Could you send me a PM with your configuration file (config.php) and output from phpinfo() from the server, where file uploads are not working?