Hi Yorkey,
Please try the way below, then you will never get the flash error again.
How to disable the flash upload mode by default. Please try the example below. the red code is which use to disable the flash upload mode.
<%@ language="VBScript" %>
<!-- #include file="aspuploader/include_aspuploader.asp" -->
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>example </title>
</head>
<body>
<div>
<form id="form1">
<%
Dim uploader
Set uploader=new AspUploader
uploader.MaxSizeKB=10240
uploader.Name="myuploader"
uploader.InsertText="Upload File (Max 10M)"
uploader.MultipleFilesUpload=true
dim htmlcode
htmlcode=uploader.GetString()
htmlcode=Replace(htmlcode,"onload=","AdvancedOptionNoFlash='1' onload=")
%>
<%=htmlcode %>
</form>
</div>
</body>
</html>
Regards,
Ken