devote,   Please upgrade to version 2.0.   Demo:   Selecting multiple files for upload Ajax Uploader 2.0 allows you to select multiple files and upload multiple files at once.   Keep me posted

1. Which version of Ajax uploader are you using?   2. Are you using impersonation?   3. Are you using load balancing?   4. Does it happen to all browsers or just one particular browser?

Hi Gregorius,   The latest version of AjaxUploader download:   http://ajaxuploader.com/download/Ajax-Uploader.zip     Regards,   ken

johansec,   Please upgrade to the latest build then try again.   http://ajaxuploader.com/download/Ajax-Uploader.zip   The lastest build version is  AjaxUploader 3.0 20100818.   Keep me posted

Can you download the version 3.0 then try again?   http://ajaxuploader.com/download/Ajax-Uploader.zip

Hi,   You are using the wrong version .   Please download it and try again :   http://ajaxuploader.com/download/Ajax-Uploader.zip   Regards, Terry  

I tried the trial version of ajax uploader. I am facing the problem in uploading the excel file of extension .xlsx.