rename plugins to plugins_ run "Adobe Flash Builder 4.6 Plug-in Utility.exe" rename plugins_ back to plugins that's it
![FLASH高速PCB布局布線設計指南 FLASH高速PCB布局布線設計指南[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)