Vincent,
Please open uteSoft_Client\CuteEditor\Languages\_default.xml and modify the following code:
<resource name="SelectFileDialogOption">dialogWidth:600px;dialogHeight:480px;</resource>
<resource name="SelectImageDialogOption">dialogWidth:590px;dialogHeight:510px;</resource>
asp.net Chat http://cutesoft.net/ASP.NET+Chat/default.aspx
Web Messenger: http://cutesoft.net/Web-Messenger/default.aspx
asp.net wysiwyg editor: http://cutesoft.net/ASP.NET+WYSIWYG+Editor/default.aspx
asp wysiwyg html editor: http://cutesoft.net/ASP
asp.net Image Gallery: http://cutesoft.net/ASP.NET+Image+Gallery/default.aspx
Live Support: http://cutesoft.net/live-support/default.aspx