Chrome V17.0.963.79 m;
Extjs V4.1.0 beta3;
Click the button of 'filefield', no open file window be showing.
This has been fixed for the next release. Sorry about that.
Mitchell Simoens @LikelyMitch
Sencha Inc, Senior Software Engineer
Learn BBCode and use it! Checkout the CODE tag!
Check out my GitHub, lots of nice things for Ext JS and Sencha Touch