Hi MarjaR,

 

The spaces name works fine for me.

 

Please try demo page http://www.ajaxuploader.com/Demo/multiple-files-upload.aspx

 

I uploaded a file name "abc def ghi.txt", it upload correct.  Can you reproduce this issue on the page about? If so, please show me the full steps, it will be very helpful.

 

Regards,

 

Ken