Terry,
I have tested it in local system and it is working fine without any issues it is giving error from server only. Please see the ajaxuploader POST headers in local and live server
In Local system (where working fine)
| ContextValue | TODO |
| PageUpload | 1 |
| UseUploadModule | Static |
| _Addon | verify |
| _AddonGuid | F113B424-1B01-B4E6-524D-5F0F6159E0F1 |
| _MaxSizeKB | 10240 |
| _Namespace | CuteWebUI |
| _UploadControlID | myuploader |
| _UploadID | AjaxUploaderFiles_Loader_1255347476195_7 |
In Server (Where Not working )
| ContextValue | TODO |
| GetUploaderError | 1 |
| PageUpload | 1 |
| UseUploadModule | Static |
| _Addon | upload |
| _AddonGuid | FB633851-E224-1F98-9319-AC263A7C4911 |
| _MaxSizeKB | 10240 |
| _Namespace | CuteWebUI |
| _UploadControlID | myuploader |
| _UploadID | AjaxUploaderFiles_Loader_1255346678687_1 |
I observed "GetUploaderError" parameter is set in second case. please look into it. It may help you!
Suneel